Panda_sorting_updating.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "339e712f-03ec-4bbc-b59f-5d742b86ff09",
   "metadata": {},
   "outputs": [],
   "source": [
    "import pandas as pd\n",
    "import numpy as np\n",
    "csv_data_path = 'https://raw.githubusercontent.com/turingplanet/pandas-intro/main/public-datasets/small_survey_results.csv'\n",
    "survey_df = pd.read_csv(csv_data_path)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "e61e905e-5a53-4117-95f0-74b81369caef",
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   "outputs": [
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       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
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       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>Respondent</th>\n",
       "      <th>MainBranch</th>\n",
       "      <th>Hobbyist</th>\n",
       "      <th>Age</th>\n",
       "      <th>Age1stCode</th>\n",
       "      <th>CompFreq</th>\n",
       "      <th>CompTotal</th>\n",
       "      <th>ConvertedComp</th>\n",
       "      <th>Country</th>\n",
       "      <th>CurrencyDesc</th>\n",
       "      <th>...</th>\n",
       "      <th>SurveyEase</th>\n",
       "      <th>SurveyLength</th>\n",
       "      <th>Trans</th>\n",
       "      <th>UndergradMajor</th>\n",
       "      <th>WebframeDesireNextYear</th>\n",
       "      <th>WebframeWorkedWith</th>\n",
       "      <th>WelcomeChange</th>\n",
       "      <th>WorkWeekHrs</th>\n",
       "      <th>YearsCode</th>\n",
       "      <th>YearsCodePro</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>20900</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>10</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>8000.0</td>\n",
       "      <td>53040.0</td>\n",
       "      <td>Bulgaria</td>\n",
       "      <td>Bulgarian lev</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
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       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>45.0</td>\n",
       "      <td>23</td>\n",
       "      <td>15</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>28235</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>No</td>\n",
       "      <td>45.0</td>\n",
       "      <td>10</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>670000.0</td>\n",
       "      <td>867480.0</td>\n",
       "      <td>Norway</td>\n",
       "      <td>Norwegian krone</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>37.0</td>\n",
       "      <td>35</td>\n",
       "      <td>22</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>26082</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>23.0</td>\n",
       "      <td>14</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>65000.0</td>\n",
       "      <td>65000.0</td>\n",
       "      <td>United States</td>\n",
       "      <td>United States dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>ASP.NET Core;React.js</td>\n",
       "      <td>ASP.NET Core;jQuery;Laravel;React.js;Vue.js</td>\n",
       "      <td>A lot less welcome now than last year</td>\n",
       "      <td>45.0</td>\n",
       "      <td>9</td>\n",
       "      <td>5</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>19890</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>61.0</td>\n",
       "      <td>21</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Canada</td>\n",
       "      <td>Canadian dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Another engineering discipline (such as civil,...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Somewhat less welcome now than last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>39</td>\n",
       "      <td>29</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>16393</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>25.0</td>\n",
       "      <td>15</td>\n",
       "      <td>Weekly</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Uruguay</td>\n",
       "      <td>Uruguayan peso</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Another engineering discipline (such as civil,...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Flask</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>10</td>\n",
       "      <td>3</td>\n",
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       "      <td>...</td>\n",
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       "    <tr>\n",
       "      <th>995</th>\n",
       "      <td>51360</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>26.0</td>\n",
       "      <td>13</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>16000.0</td>\n",
       "      <td>12312.0</td>\n",
       "      <td>Egypt</td>\n",
       "      <td>Egyptian pound</td>\n",
       "      <td>...</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Another engineering discipline (such as civil,...</td>\n",
       "      <td>Express;React.js</td>\n",
       "      <td>Angular;Angular.js;React.js</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>10</td>\n",
       "      <td>3</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>996</th>\n",
       "      <td>16771</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>11</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>United States</td>\n",
       "      <td>United States dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Another engineering discipline (such as civil,...</td>\n",
       "      <td>Angular;Express;Spring</td>\n",
       "      <td>Angular;Express;Spring</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>50.0</td>\n",
       "      <td>41</td>\n",
       "      <td>24</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>997</th>\n",
       "      <td>38831</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Netherlands</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>998</th>\n",
       "      <td>7093</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Indonesia</td>\n",
       "      <td>Indonesian rupiah</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>999</th>\n",
       "      <td>51843</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>29.0</td>\n",
       "      <td>20</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>90000.0</td>\n",
       "      <td>10680.0</td>\n",
       "      <td>Kenya</td>\n",
       "      <td>Kenyan shilling</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Information systems, information technology, o...</td>\n",
       "      <td>Angular;Angular.js;jQuery;Laravel</td>\n",
       "      <td>Angular;Angular.js;jQuery;Laravel</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>8.0</td>\n",
       "      <td>8</td>\n",
       "      <td>5</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>1000 rows × 61 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "     Respondent                      MainBranch Hobbyist   Age Age1stCode  \\\n",
       "0         20900  I am a developer by profession      Yes   NaN         10   \n",
       "1         28235  I am a developer by profession       No  45.0         10   \n",
       "2         26082  I am a developer by profession      Yes  23.0         14   \n",
       "3         19890  I am a developer by profession      Yes  61.0         21   \n",
       "4         16393  I am a developer by profession      Yes  25.0         15   \n",
       "..          ...                             ...      ...   ...        ...   \n",
       "995       51360  I am a developer by profession      Yes  26.0         13   \n",
       "996       16771  I am a developer by profession      Yes   NaN         11   \n",
       "997       38831  I am a developer by profession      Yes   NaN        NaN   \n",
       "998        7093  I am a developer by profession      Yes   NaN        NaN   \n",
       "999       51843  I am a developer by profession      Yes  29.0         20   \n",
       "\n",
       "    CompFreq  CompTotal  ConvertedComp        Country          CurrencyDesc  \\\n",
       "0    Monthly     8000.0        53040.0       Bulgaria         Bulgarian lev   \n",
       "1    Monthly   670000.0       867480.0         Norway       Norwegian krone   \n",
       "2     Yearly    65000.0        65000.0  United States  United States dollar   \n",
       "3        NaN        NaN            NaN         Canada       Canadian dollar   \n",
       "4     Weekly        NaN            NaN        Uruguay        Uruguayan peso   \n",
       "..       ...        ...            ...            ...                   ...   \n",
       "995  Monthly    16000.0        12312.0          Egypt        Egyptian pound   \n",
       "996      NaN        NaN            NaN  United States  United States dollar   \n",
       "997      NaN        NaN            NaN    Netherlands                   NaN   \n",
       "998      NaN        NaN            NaN      Indonesia     Indonesian rupiah   \n",
       "999  Monthly    90000.0        10680.0          Kenya       Kenyan shilling   \n",
       "\n",
       "     ...                  SurveyEase           SurveyLength Trans  \\\n",
       "0    ...                         NaN                    NaN    No   \n",
       "1    ...                        Easy  Appropriate in length    No   \n",
       "2    ...                        Easy  Appropriate in length    No   \n",
       "3    ...                        Easy  Appropriate in length   NaN   \n",
       "4    ...                        Easy  Appropriate in length    No   \n",
       "..   ...                         ...                    ...   ...   \n",
       "995  ...  Neither easy nor difficult  Appropriate in length    No   \n",
       "996  ...                         NaN                    NaN   NaN   \n",
       "997  ...                         NaN                    NaN   NaN   \n",
       "998  ...                         NaN                    NaN   NaN   \n",
       "999  ...                        Easy  Appropriate in length    No   \n",
       "\n",
       "                                        UndergradMajor  \\\n",
       "0    Computer science, computer engineering, or sof...   \n",
       "1    Computer science, computer engineering, or sof...   \n",
       "2    Computer science, computer engineering, or sof...   \n",
       "3    Another engineering discipline (such as civil,...   \n",
       "4    Another engineering discipline (such as civil,...   \n",
       "..                                                 ...   \n",
       "995  Another engineering discipline (such as civil,...   \n",
       "996  Another engineering discipline (such as civil,...   \n",
       "997                                                NaN   \n",
       "998                                                NaN   \n",
       "999  Information systems, information technology, o...   \n",
       "\n",
       "                WebframeDesireNextYear  \\\n",
       "0                                  NaN   \n",
       "1                                  NaN   \n",
       "2                ASP.NET Core;React.js   \n",
       "3                                  NaN   \n",
       "4                                  NaN   \n",
       "..                                 ...   \n",
       "995                   Express;React.js   \n",
       "996             Angular;Express;Spring   \n",
       "997                                NaN   \n",
       "998                                NaN   \n",
       "999  Angular;Angular.js;jQuery;Laravel   \n",
       "\n",
       "                              WebframeWorkedWith  \\\n",
       "0                                            NaN   \n",
       "1                                            NaN   \n",
       "2    ASP.NET Core;jQuery;Laravel;React.js;Vue.js   \n",
       "3                                            NaN   \n",
       "4                                          Flask   \n",
       "..                                           ...   \n",
       "995                  Angular;Angular.js;React.js   \n",
       "996                       Angular;Express;Spring   \n",
       "997                                          NaN   \n",
       "998                                          NaN   \n",
       "999            Angular;Angular.js;jQuery;Laravel   \n",
       "\n",
       "                                WelcomeChange WorkWeekHrs YearsCode  \\\n",
       "0     Just as welcome now as I felt last year        45.0        23   \n",
       "1     Just as welcome now as I felt last year        37.0        35   \n",
       "2       A lot less welcome now than last year        45.0         9   \n",
       "3    Somewhat less welcome now than last year        40.0        39   \n",
       "4     Just as welcome now as I felt last year        40.0        10   \n",
       "..                                        ...         ...       ...   \n",
       "995   Just as welcome now as I felt last year        40.0        10   \n",
       "996   Just as welcome now as I felt last year        50.0        41   \n",
       "997                                       NaN         NaN       NaN   \n",
       "998                                       NaN         NaN       NaN   \n",
       "999   Just as welcome now as I felt last year         8.0         8   \n",
       "\n",
       "    YearsCodePro  \n",
       "0             15  \n",
       "1             22  \n",
       "2              5  \n",
       "3             29  \n",
       "4              3  \n",
       "..           ...  \n",
       "995            3  \n",
       "996           24  \n",
       "997          NaN  \n",
       "998          NaN  \n",
       "999            5  \n",
       "\n",
       "[1000 rows x 61 columns]"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "id": "1fbfe963-2079-4641-a73f-0aae5107219f",
   "metadata": {},
   "outputs": [],
   "source": [
    "survey_df.set_index('Respondent', inplace = True) #将Respondent设为index"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "7060a844-a6f9-4be8-a5de-51342d65e1d4",
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       "      <th></th>\n",
       "      <th>MainBranch</th>\n",
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       "      <th>WelcomeChange</th>\n",
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       "    <tr>\n",
       "      <th>Respondent</th>\n",
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       "      <th>20900</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
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       "      <td>Monthly</td>\n",
       "      <td>8000.0</td>\n",
       "      <td>53040.0</td>\n",
       "      <td>Bulgaria</td>\n",
       "      <td>Bulgarian lev</td>\n",
       "      <td>BGN</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>45.0</td>\n",
       "      <td>23</td>\n",
       "      <td>15</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>28235</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>No</td>\n",
       "      <td>45.0</td>\n",
       "      <td>10</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>670000.0</td>\n",
       "      <td>867480.0</td>\n",
       "      <td>Norway</td>\n",
       "      <td>Norwegian krone</td>\n",
       "      <td>NOK</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>37.0</td>\n",
       "      <td>35</td>\n",
       "      <td>22</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>26082</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>23.0</td>\n",
       "      <td>14</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>65000.0</td>\n",
       "      <td>65000.0</td>\n",
       "      <td>United States</td>\n",
       "      <td>United States dollar</td>\n",
       "      <td>USD</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>ASP.NET Core;React.js</td>\n",
       "      <td>ASP.NET Core;jQuery;Laravel;React.js;Vue.js</td>\n",
       "      <td>A lot less welcome now than last year</td>\n",
       "      <td>45.0</td>\n",
       "      <td>9</td>\n",
       "      <td>5</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>19890</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>61.0</td>\n",
       "      <td>21</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Canada</td>\n",
       "      <td>Canadian dollar</td>\n",
       "      <td>CAD</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Another engineering discipline (such as civil,...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Somewhat less welcome now than last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>39</td>\n",
       "      <td>29</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>16393</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>25.0</td>\n",
       "      <td>15</td>\n",
       "      <td>Weekly</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Uruguay</td>\n",
       "      <td>Uruguayan peso</td>\n",
       "      <td>UYU</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Another engineering discipline (such as civil,...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Flask</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>10</td>\n",
       "      <td>3</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>51360</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>26.0</td>\n",
       "      <td>13</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>16000.0</td>\n",
       "      <td>12312.0</td>\n",
       "      <td>Egypt</td>\n",
       "      <td>Egyptian pound</td>\n",
       "      <td>EGP</td>\n",
       "      <td>...</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Another engineering discipline (such as civil,...</td>\n",
       "      <td>Express;React.js</td>\n",
       "      <td>Angular;Angular.js;React.js</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>10</td>\n",
       "      <td>3</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>16771</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>11</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>United States</td>\n",
       "      <td>United States dollar</td>\n",
       "      <td>USD</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Another engineering discipline (such as civil,...</td>\n",
       "      <td>Angular;Express;Spring</td>\n",
       "      <td>Angular;Express;Spring</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>50.0</td>\n",
       "      <td>41</td>\n",
       "      <td>24</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>38831</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Netherlands</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7093</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Indonesia</td>\n",
       "      <td>Indonesian rupiah</td>\n",
       "      <td>IDR</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>51843</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>29.0</td>\n",
       "      <td>20</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>90000.0</td>\n",
       "      <td>10680.0</td>\n",
       "      <td>Kenya</td>\n",
       "      <td>Kenyan shilling</td>\n",
       "      <td>KES</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Information systems, information technology, o...</td>\n",
       "      <td>Angular;Angular.js;jQuery;Laravel</td>\n",
       "      <td>Angular;Angular.js;jQuery;Laravel</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>8.0</td>\n",
       "      <td>8</td>\n",
       "      <td>5</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>1000 rows × 60 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                                MainBranch Hobbyist   Age Age1stCode CompFreq  \\\n",
       "Respondent                                                                      \n",
       "20900       I am a developer by profession      Yes   NaN         10  Monthly   \n",
       "28235       I am a developer by profession       No  45.0         10  Monthly   \n",
       "26082       I am a developer by profession      Yes  23.0         14   Yearly   \n",
       "19890       I am a developer by profession      Yes  61.0         21      NaN   \n",
       "16393       I am a developer by profession      Yes  25.0         15   Weekly   \n",
       "...                                    ...      ...   ...        ...      ...   \n",
       "51360       I am a developer by profession      Yes  26.0         13  Monthly   \n",
       "16771       I am a developer by profession      Yes   NaN         11      NaN   \n",
       "38831       I am a developer by profession      Yes   NaN        NaN      NaN   \n",
       "7093        I am a developer by profession      Yes   NaN        NaN      NaN   \n",
       "51843       I am a developer by profession      Yes  29.0         20  Monthly   \n",
       "\n",
       "            CompTotal  ConvertedComp        Country          CurrencyDesc  \\\n",
       "Respondent                                                                  \n",
       "20900          8000.0        53040.0       Bulgaria         Bulgarian lev   \n",
       "28235        670000.0       867480.0         Norway       Norwegian krone   \n",
       "26082         65000.0        65000.0  United States  United States dollar   \n",
       "19890             NaN            NaN         Canada       Canadian dollar   \n",
       "16393             NaN            NaN        Uruguay        Uruguayan peso   \n",
       "...               ...            ...            ...                   ...   \n",
       "51360         16000.0        12312.0          Egypt        Egyptian pound   \n",
       "16771             NaN            NaN  United States  United States dollar   \n",
       "38831             NaN            NaN    Netherlands                   NaN   \n",
       "7093              NaN            NaN      Indonesia     Indonesian rupiah   \n",
       "51843         90000.0        10680.0          Kenya       Kenyan shilling   \n",
       "\n",
       "           CurrencySymbol  ...                  SurveyEase  \\\n",
       "Respondent                 ...                               \n",
       "20900                 BGN  ...                         NaN   \n",
       "28235                 NOK  ...                        Easy   \n",
       "26082                 USD  ...                        Easy   \n",
       "19890                 CAD  ...                        Easy   \n",
       "16393                 UYU  ...                        Easy   \n",
       "...                   ...  ...                         ...   \n",
       "51360                 EGP  ...  Neither easy nor difficult   \n",
       "16771                 USD  ...                         NaN   \n",
       "38831                 NaN  ...                         NaN   \n",
       "7093                  IDR  ...                         NaN   \n",
       "51843                 KES  ...                        Easy   \n",
       "\n",
       "                     SurveyLength Trans  \\\n",
       "Respondent                                \n",
       "20900                         NaN    No   \n",
       "28235       Appropriate in length    No   \n",
       "26082       Appropriate in length    No   \n",
       "19890       Appropriate in length   NaN   \n",
       "16393       Appropriate in length    No   \n",
       "...                           ...   ...   \n",
       "51360       Appropriate in length    No   \n",
       "16771                         NaN   NaN   \n",
       "38831                         NaN   NaN   \n",
       "7093                          NaN   NaN   \n",
       "51843       Appropriate in length    No   \n",
       "\n",
       "                                               UndergradMajor  \\\n",
       "Respondent                                                      \n",
       "20900       Computer science, computer engineering, or sof...   \n",
       "28235       Computer science, computer engineering, or sof...   \n",
       "26082       Computer science, computer engineering, or sof...   \n",
       "19890       Another engineering discipline (such as civil,...   \n",
       "16393       Another engineering discipline (such as civil,...   \n",
       "...                                                       ...   \n",
       "51360       Another engineering discipline (such as civil,...   \n",
       "16771       Another engineering discipline (such as civil,...   \n",
       "38831                                                     NaN   \n",
       "7093                                                      NaN   \n",
       "51843       Information systems, information technology, o...   \n",
       "\n",
       "                       WebframeDesireNextYear  \\\n",
       "Respondent                                      \n",
       "20900                                     NaN   \n",
       "28235                                     NaN   \n",
       "26082                   ASP.NET Core;React.js   \n",
       "19890                                     NaN   \n",
       "16393                                     NaN   \n",
       "...                                       ...   \n",
       "51360                        Express;React.js   \n",
       "16771                  Angular;Express;Spring   \n",
       "38831                                     NaN   \n",
       "7093                                      NaN   \n",
       "51843       Angular;Angular.js;jQuery;Laravel   \n",
       "\n",
       "                                     WebframeWorkedWith  \\\n",
       "Respondent                                                \n",
       "20900                                               NaN   \n",
       "28235                                               NaN   \n",
       "26082       ASP.NET Core;jQuery;Laravel;React.js;Vue.js   \n",
       "19890                                               NaN   \n",
       "16393                                             Flask   \n",
       "...                                                 ...   \n",
       "51360                       Angular;Angular.js;React.js   \n",
       "16771                            Angular;Express;Spring   \n",
       "38831                                               NaN   \n",
       "7093                                                NaN   \n",
       "51843                 Angular;Angular.js;jQuery;Laravel   \n",
       "\n",
       "                                       WelcomeChange WorkWeekHrs YearsCode  \\\n",
       "Respondent                                                                   \n",
       "20900        Just as welcome now as I felt last year        45.0        23   \n",
       "28235        Just as welcome now as I felt last year        37.0        35   \n",
       "26082          A lot less welcome now than last year        45.0         9   \n",
       "19890       Somewhat less welcome now than last year        40.0        39   \n",
       "16393        Just as welcome now as I felt last year        40.0        10   \n",
       "...                                              ...         ...       ...   \n",
       "51360        Just as welcome now as I felt last year        40.0        10   \n",
       "16771        Just as welcome now as I felt last year        50.0        41   \n",
       "38831                                            NaN         NaN       NaN   \n",
       "7093                                             NaN         NaN       NaN   \n",
       "51843        Just as welcome now as I felt last year         8.0         8   \n",
       "\n",
       "           YearsCodePro  \n",
       "Respondent               \n",
       "20900                15  \n",
       "28235                22  \n",
       "26082                 5  \n",
       "19890                29  \n",
       "16393                 3  \n",
       "...                 ...  \n",
       "51360                 3  \n",
       "16771                24  \n",
       "38831               NaN  \n",
       "7093                NaN  \n",
       "51843                 5  \n",
       "\n",
       "[1000 rows x 60 columns]"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "id": "8ae12453-a303-4fe3-821c-defa7e60c442",
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
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       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>MainBranch</th>\n",
       "      <th>Hobbyist</th>\n",
       "      <th>Age</th>\n",
       "      <th>Age1stCode</th>\n",
       "      <th>CompFreq</th>\n",
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       "      <th>Country</th>\n",
       "      <th>CurrencyDesc</th>\n",
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       "      <th>...</th>\n",
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       "      <th>SurveyLength</th>\n",
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       "      <th>YearsCode</th>\n",
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       "    <tr>\n",
       "      <th>Respondent</th>\n",
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       "  <tbody>\n",
       "    <tr>\n",
       "      <th>59</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>No</td>\n",
       "      <td>38.0</td>\n",
       "      <td>15</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>6000.0</td>\n",
       "      <td>16488.0</td>\n",
       "      <td>Brazil</td>\n",
       "      <td>Brazilian real</td>\n",
       "      <td>BRL</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>Angular;ASP.NET;jQuery</td>\n",
       "      <td>ASP.NET;jQuery;Laravel;Ruby on Rails</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>24</td>\n",
       "      <td>15</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>146</th>\n",
       "      <td>I am a developer by profession</td>\n",
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       "      <td>33.0</td>\n",
       "      <td>12</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>580000.0</td>\n",
       "      <td>59320.0</td>\n",
       "      <td>Sweden</td>\n",
       "      <td>Swedish krona</td>\n",
       "      <td>SEK</td>\n",
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       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
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       "      <td>ASP.NET Core;React.js;Vue.js</td>\n",
       "      <td>ASP.NET;ASP.NET Core;React.js</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>21</td>\n",
       "      <td>12</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>167</th>\n",
       "      <td>I am a developer by profession</td>\n",
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       "      <td>22.0</td>\n",
       "      <td>15</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>55000.0</td>\n",
       "      <td>41597.0</td>\n",
       "      <td>Canada</td>\n",
       "      <td>Canadian dollar</td>\n",
       "      <td>CAD</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>Angular;Laravel</td>\n",
       "      <td>Angular;Angular.js;jQuery;Laravel</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>37.5</td>\n",
       "      <td>7</td>\n",
       "      <td>5</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>237</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>26.0</td>\n",
       "      <td>16</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>45000.0</td>\n",
       "      <td>29088.0</td>\n",
       "      <td>Mexico</td>\n",
       "      <td>Mexican peso</td>\n",
       "      <td>MXN</td>\n",
       "      <td>...</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>ASP.NET;ASP.NET Core;React.js</td>\n",
       "      <td>ASP.NET;ASP.NET Core;React.js;Spring</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>8.0</td>\n",
       "      <td>10</td>\n",
       "      <td>6</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>275</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>18</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Nepal</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>Angular.js;Express;Spring;Vue.js</td>\n",
       "      <td>Spring;Vue.js</td>\n",
       "      <td>Somewhat more welcome now than last year</td>\n",
       "      <td>NaN</td>\n",
       "      <td>6</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>65107</th>\n",
       "      <td>I am a student who is learning to code</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Ukraine</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>65198</th>\n",
       "      <td>I am a student who is learning to code</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Chile</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Express</td>\n",
       "      <td>Flask;Spring;Vue.js</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>65375</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>12</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>90000.0</td>\n",
       "      <td>90000.0</td>\n",
       "      <td>United States</td>\n",
       "      <td>United States dollar</td>\n",
       "      <td>USD</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Information systems, information technology, o...</td>\n",
       "      <td>ASP.NET Core;React.js</td>\n",
       "      <td>ASP.NET;ASP.NET Core;React.js</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>NaN</td>\n",
       "      <td>10</td>\n",
       "      <td>5</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>65628</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Germany</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Angular;Django;Express;React.js;Spring</td>\n",
       "      <td>Angular;Spring</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>65633</th>\n",
       "      <td>I used to be a developer by profession, but no...</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Austria</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>I never declared a major</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>25</td>\n",
       "      <td>20</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>1000 rows × 60 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                                                   MainBranch Hobbyist   Age  \\\n",
       "Respondent                                                                     \n",
       "59                             I am a developer by profession       No  38.0   \n",
       "146                            I am a developer by profession      Yes  33.0   \n",
       "167                            I am a developer by profession      Yes  22.0   \n",
       "237                            I am a developer by profession      Yes  26.0   \n",
       "275                            I am a developer by profession       No   NaN   \n",
       "...                                                       ...      ...   ...   \n",
       "65107                  I am a student who is learning to code      Yes   NaN   \n",
       "65198                  I am a student who is learning to code      Yes   NaN   \n",
       "65375                          I am a developer by profession      Yes   NaN   \n",
       "65628                          I am a developer by profession      Yes   NaN   \n",
       "65633       I used to be a developer by profession, but no...       No   NaN   \n",
       "\n",
       "           Age1stCode CompFreq  CompTotal  ConvertedComp        Country  \\\n",
       "Respondent                                                                \n",
       "59                 15  Monthly     6000.0        16488.0         Brazil   \n",
       "146                12   Yearly   580000.0        59320.0         Sweden   \n",
       "167                15   Yearly    55000.0        41597.0         Canada   \n",
       "237                16  Monthly    45000.0        29088.0         Mexico   \n",
       "275                18      NaN        NaN            NaN          Nepal   \n",
       "...               ...      ...        ...            ...            ...   \n",
       "65107             NaN      NaN        NaN            NaN        Ukraine   \n",
       "65198             NaN      NaN        NaN            NaN          Chile   \n",
       "65375              12   Yearly    90000.0        90000.0  United States   \n",
       "65628             NaN      NaN        NaN            NaN        Germany   \n",
       "65633             NaN      NaN        NaN            NaN        Austria   \n",
       "\n",
       "                    CurrencyDesc CurrencySymbol  ...  \\\n",
       "Respondent                                       ...   \n",
       "59                Brazilian real            BRL  ...   \n",
       "146                Swedish krona            SEK  ...   \n",
       "167              Canadian dollar            CAD  ...   \n",
       "237                 Mexican peso            MXN  ...   \n",
       "275                          NaN            NaN  ...   \n",
       "...                          ...            ...  ...   \n",
       "65107                        NaN            NaN  ...   \n",
       "65198                        NaN            NaN  ...   \n",
       "65375       United States dollar            USD  ...   \n",
       "65628                        NaN            NaN  ...   \n",
       "65633                        NaN            NaN  ...   \n",
       "\n",
       "                            SurveyEase           SurveyLength Trans  \\\n",
       "Respondent                                                            \n",
       "59                                Easy  Appropriate in length    No   \n",
       "146                               Easy  Appropriate in length    No   \n",
       "167                               Easy  Appropriate in length    No   \n",
       "237         Neither easy nor difficult  Appropriate in length    No   \n",
       "275                               Easy  Appropriate in length    No   \n",
       "...                                ...                    ...   ...   \n",
       "65107                              NaN                    NaN   NaN   \n",
       "65198                              NaN                    NaN   NaN   \n",
       "65375                              NaN                    NaN   NaN   \n",
       "65628                              NaN                    NaN   NaN   \n",
       "65633                              NaN                    NaN   NaN   \n",
       "\n",
       "                                               UndergradMajor  \\\n",
       "Respondent                                                      \n",
       "59          Computer science, computer engineering, or sof...   \n",
       "146         Computer science, computer engineering, or sof...   \n",
       "167         Computer science, computer engineering, or sof...   \n",
       "237         Computer science, computer engineering, or sof...   \n",
       "275         Computer science, computer engineering, or sof...   \n",
       "...                                                       ...   \n",
       "65107                                                     NaN   \n",
       "65198                                                     NaN   \n",
       "65375       Information systems, information technology, o...   \n",
       "65628                                                     NaN   \n",
       "65633                                I never declared a major   \n",
       "\n",
       "                            WebframeDesireNextYear  \\\n",
       "Respondent                                           \n",
       "59                          Angular;ASP.NET;jQuery   \n",
       "146                   ASP.NET Core;React.js;Vue.js   \n",
       "167                                Angular;Laravel   \n",
       "237                  ASP.NET;ASP.NET Core;React.js   \n",
       "275               Angular.js;Express;Spring;Vue.js   \n",
       "...                                            ...   \n",
       "65107                                          NaN   \n",
       "65198                                      Express   \n",
       "65375                        ASP.NET Core;React.js   \n",
       "65628       Angular;Django;Express;React.js;Spring   \n",
       "65633                                          NaN   \n",
       "\n",
       "                              WebframeWorkedWith  \\\n",
       "Respondent                                         \n",
       "59          ASP.NET;jQuery;Laravel;Ruby on Rails   \n",
       "146                ASP.NET;ASP.NET Core;React.js   \n",
       "167            Angular;Angular.js;jQuery;Laravel   \n",
       "237         ASP.NET;ASP.NET Core;React.js;Spring   \n",
       "275                                Spring;Vue.js   \n",
       "...                                          ...   \n",
       "65107                                        NaN   \n",
       "65198                        Flask;Spring;Vue.js   \n",
       "65375              ASP.NET;ASP.NET Core;React.js   \n",
       "65628                             Angular;Spring   \n",
       "65633                                        NaN   \n",
       "\n",
       "                                       WelcomeChange WorkWeekHrs YearsCode  \\\n",
       "Respondent                                                                   \n",
       "59           Just as welcome now as I felt last year        40.0        24   \n",
       "146          Just as welcome now as I felt last year        40.0        21   \n",
       "167          Just as welcome now as I felt last year        37.5         7   \n",
       "237          Just as welcome now as I felt last year         8.0        10   \n",
       "275         Somewhat more welcome now than last year         NaN         6   \n",
       "...                                              ...         ...       ...   \n",
       "65107                                            NaN         NaN       NaN   \n",
       "65198                                            NaN         NaN       NaN   \n",
       "65375        Just as welcome now as I felt last year         NaN        10   \n",
       "65628                                            NaN         NaN       NaN   \n",
       "65633                                            NaN         NaN        25   \n",
       "\n",
       "           YearsCodePro  \n",
       "Respondent               \n",
       "59                   15  \n",
       "146                  12  \n",
       "167                   5  \n",
       "237                   6  \n",
       "275                 NaN  \n",
       "...                 ...  \n",
       "65107               NaN  \n",
       "65198               NaN  \n",
       "65375                 5  \n",
       "65628               NaN  \n",
       "65633                20  \n",
       "\n",
       "[1000 rows x 60 columns]"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.sort_index() #按照index进行排序，从小到大"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "id": "681a76ed-bd87-469a-8ec9-48ebb01353a7",
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
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       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>MainBranch</th>\n",
       "      <th>Hobbyist</th>\n",
       "      <th>Age</th>\n",
       "      <th>Age1stCode</th>\n",
       "      <th>CompFreq</th>\n",
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       "      <th>YearsCode</th>\n",
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       "      <th>65633</th>\n",
       "      <td>I used to be a developer by profession, but no...</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Austria</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>I never declared a major</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>25</td>\n",
       "      <td>20</td>\n",
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       "    <tr>\n",
       "      <th>65628</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
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       "      <td>NaN</td>\n",
       "      <td>Germany</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
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       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
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       "      <td>Angular;Spring</td>\n",
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       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
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       "    <tr>\n",
       "      <th>65375</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>12</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>90000.0</td>\n",
       "      <td>90000.0</td>\n",
       "      <td>United States</td>\n",
       "      <td>United States dollar</td>\n",
       "      <td>USD</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Information systems, information technology, o...</td>\n",
       "      <td>ASP.NET Core;React.js</td>\n",
       "      <td>ASP.NET;ASP.NET Core;React.js</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>NaN</td>\n",
       "      <td>10</td>\n",
       "      <td>5</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>65198</th>\n",
       "      <td>I am a student who is learning to code</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Chile</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Express</td>\n",
       "      <td>Flask;Spring;Vue.js</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
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       "    <tr>\n",
       "      <th>65107</th>\n",
       "      <td>I am a student who is learning to code</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Ukraine</td>\n",
       "      <td>NaN</td>\n",
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       "      <td>NaN</td>\n",
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       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
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       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>275</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>18</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Nepal</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>Angular.js;Express;Spring;Vue.js</td>\n",
       "      <td>Spring;Vue.js</td>\n",
       "      <td>Somewhat more welcome now than last year</td>\n",
       "      <td>NaN</td>\n",
       "      <td>6</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>237</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>26.0</td>\n",
       "      <td>16</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>45000.0</td>\n",
       "      <td>29088.0</td>\n",
       "      <td>Mexico</td>\n",
       "      <td>Mexican peso</td>\n",
       "      <td>MXN</td>\n",
       "      <td>...</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>ASP.NET;ASP.NET Core;React.js</td>\n",
       "      <td>ASP.NET;ASP.NET Core;React.js;Spring</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>8.0</td>\n",
       "      <td>10</td>\n",
       "      <td>6</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>167</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>22.0</td>\n",
       "      <td>15</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>55000.0</td>\n",
       "      <td>41597.0</td>\n",
       "      <td>Canada</td>\n",
       "      <td>Canadian dollar</td>\n",
       "      <td>CAD</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>Angular;Laravel</td>\n",
       "      <td>Angular;Angular.js;jQuery;Laravel</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>37.5</td>\n",
       "      <td>7</td>\n",
       "      <td>5</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>146</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>33.0</td>\n",
       "      <td>12</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>580000.0</td>\n",
       "      <td>59320.0</td>\n",
       "      <td>Sweden</td>\n",
       "      <td>Swedish krona</td>\n",
       "      <td>SEK</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>ASP.NET Core;React.js;Vue.js</td>\n",
       "      <td>ASP.NET;ASP.NET Core;React.js</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>21</td>\n",
       "      <td>12</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>59</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>No</td>\n",
       "      <td>38.0</td>\n",
       "      <td>15</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>6000.0</td>\n",
       "      <td>16488.0</td>\n",
       "      <td>Brazil</td>\n",
       "      <td>Brazilian real</td>\n",
       "      <td>BRL</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>Angular;ASP.NET;jQuery</td>\n",
       "      <td>ASP.NET;jQuery;Laravel;Ruby on Rails</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>24</td>\n",
       "      <td>15</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>1000 rows × 60 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                                                   MainBranch Hobbyist   Age  \\\n",
       "Respondent                                                                     \n",
       "65633       I used to be a developer by profession, but no...       No   NaN   \n",
       "65628                          I am a developer by profession      Yes   NaN   \n",
       "65375                          I am a developer by profession      Yes   NaN   \n",
       "65198                  I am a student who is learning to code      Yes   NaN   \n",
       "65107                  I am a student who is learning to code      Yes   NaN   \n",
       "...                                                       ...      ...   ...   \n",
       "275                            I am a developer by profession       No   NaN   \n",
       "237                            I am a developer by profession      Yes  26.0   \n",
       "167                            I am a developer by profession      Yes  22.0   \n",
       "146                            I am a developer by profession      Yes  33.0   \n",
       "59                             I am a developer by profession       No  38.0   \n",
       "\n",
       "           Age1stCode CompFreq  CompTotal  ConvertedComp        Country  \\\n",
       "Respondent                                                                \n",
       "65633             NaN      NaN        NaN            NaN        Austria   \n",
       "65628             NaN      NaN        NaN            NaN        Germany   \n",
       "65375              12   Yearly    90000.0        90000.0  United States   \n",
       "65198             NaN      NaN        NaN            NaN          Chile   \n",
       "65107             NaN      NaN        NaN            NaN        Ukraine   \n",
       "...               ...      ...        ...            ...            ...   \n",
       "275                18      NaN        NaN            NaN          Nepal   \n",
       "237                16  Monthly    45000.0        29088.0         Mexico   \n",
       "167                15   Yearly    55000.0        41597.0         Canada   \n",
       "146                12   Yearly   580000.0        59320.0         Sweden   \n",
       "59                 15  Monthly     6000.0        16488.0         Brazil   \n",
       "\n",
       "                    CurrencyDesc CurrencySymbol  ...  \\\n",
       "Respondent                                       ...   \n",
       "65633                        NaN            NaN  ...   \n",
       "65628                        NaN            NaN  ...   \n",
       "65375       United States dollar            USD  ...   \n",
       "65198                        NaN            NaN  ...   \n",
       "65107                        NaN            NaN  ...   \n",
       "...                          ...            ...  ...   \n",
       "275                          NaN            NaN  ...   \n",
       "237                 Mexican peso            MXN  ...   \n",
       "167              Canadian dollar            CAD  ...   \n",
       "146                Swedish krona            SEK  ...   \n",
       "59                Brazilian real            BRL  ...   \n",
       "\n",
       "                            SurveyEase           SurveyLength Trans  \\\n",
       "Respondent                                                            \n",
       "65633                              NaN                    NaN   NaN   \n",
       "65628                              NaN                    NaN   NaN   \n",
       "65375                              NaN                    NaN   NaN   \n",
       "65198                              NaN                    NaN   NaN   \n",
       "65107                              NaN                    NaN   NaN   \n",
       "...                                ...                    ...   ...   \n",
       "275                               Easy  Appropriate in length    No   \n",
       "237         Neither easy nor difficult  Appropriate in length    No   \n",
       "167                               Easy  Appropriate in length    No   \n",
       "146                               Easy  Appropriate in length    No   \n",
       "59                                Easy  Appropriate in length    No   \n",
       "\n",
       "                                               UndergradMajor  \\\n",
       "Respondent                                                      \n",
       "65633                                I never declared a major   \n",
       "65628                                                     NaN   \n",
       "65375       Information systems, information technology, o...   \n",
       "65198                                                     NaN   \n",
       "65107                                                     NaN   \n",
       "...                                                       ...   \n",
       "275         Computer science, computer engineering, or sof...   \n",
       "237         Computer science, computer engineering, or sof...   \n",
       "167         Computer science, computer engineering, or sof...   \n",
       "146         Computer science, computer engineering, or sof...   \n",
       "59          Computer science, computer engineering, or sof...   \n",
       "\n",
       "                            WebframeDesireNextYear  \\\n",
       "Respondent                                           \n",
       "65633                                          NaN   \n",
       "65628       Angular;Django;Express;React.js;Spring   \n",
       "65375                        ASP.NET Core;React.js   \n",
       "65198                                      Express   \n",
       "65107                                          NaN   \n",
       "...                                            ...   \n",
       "275               Angular.js;Express;Spring;Vue.js   \n",
       "237                  ASP.NET;ASP.NET Core;React.js   \n",
       "167                                Angular;Laravel   \n",
       "146                   ASP.NET Core;React.js;Vue.js   \n",
       "59                          Angular;ASP.NET;jQuery   \n",
       "\n",
       "                              WebframeWorkedWith  \\\n",
       "Respondent                                         \n",
       "65633                                        NaN   \n",
       "65628                             Angular;Spring   \n",
       "65375              ASP.NET;ASP.NET Core;React.js   \n",
       "65198                        Flask;Spring;Vue.js   \n",
       "65107                                        NaN   \n",
       "...                                          ...   \n",
       "275                                Spring;Vue.js   \n",
       "237         ASP.NET;ASP.NET Core;React.js;Spring   \n",
       "167            Angular;Angular.js;jQuery;Laravel   \n",
       "146                ASP.NET;ASP.NET Core;React.js   \n",
       "59          ASP.NET;jQuery;Laravel;Ruby on Rails   \n",
       "\n",
       "                                       WelcomeChange WorkWeekHrs YearsCode  \\\n",
       "Respondent                                                                   \n",
       "65633                                            NaN         NaN        25   \n",
       "65628                                            NaN         NaN       NaN   \n",
       "65375        Just as welcome now as I felt last year         NaN        10   \n",
       "65198                                            NaN         NaN       NaN   \n",
       "65107                                            NaN         NaN       NaN   \n",
       "...                                              ...         ...       ...   \n",
       "275         Somewhat more welcome now than last year         NaN         6   \n",
       "237          Just as welcome now as I felt last year         8.0        10   \n",
       "167          Just as welcome now as I felt last year        37.5         7   \n",
       "146          Just as welcome now as I felt last year        40.0        21   \n",
       "59           Just as welcome now as I felt last year        40.0        24   \n",
       "\n",
       "           YearsCodePro  \n",
       "Respondent               \n",
       "65633                20  \n",
       "65628               NaN  \n",
       "65375                 5  \n",
       "65198               NaN  \n",
       "65107               NaN  \n",
       "...                 ...  \n",
       "275                 NaN  \n",
       "237                   6  \n",
       "167                   5  \n",
       "146                  12  \n",
       "59                   15  \n",
       "\n",
       "[1000 rows x 60 columns]"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.sort_index(ascending = False) #按照index进行排序，从大到小"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "id": "cddca639-c5ad-49e9-a46a-0741c32a77c7",
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
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       "        vertical-align: middle;\n",
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       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
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       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>MainBranch</th>\n",
       "      <th>Hobbyist</th>\n",
       "      <th>Age</th>\n",
       "      <th>Age1stCode</th>\n",
       "      <th>CompFreq</th>\n",
       "      <th>CompTotal</th>\n",
       "      <th>ConvertedComp</th>\n",
       "      <th>Country</th>\n",
       "      <th>CurrencyDesc</th>\n",
       "      <th>CurrencySymbol</th>\n",
       "      <th>...</th>\n",
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       "      <th>SurveyLength</th>\n",
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       "      <th>WebframeDesireNextYear</th>\n",
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       "      <th>WelcomeChange</th>\n",
       "      <th>WorkWeekHrs</th>\n",
       "      <th>YearsCode</th>\n",
       "      <th>YearsCodePro</th>\n",
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       "      <th>Respondent</th>\n",
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       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>59748</th>\n",
       "      <td>I am a student who is learning to code</td>\n",
       "      <td>Yes</td>\n",
       "      <td>13.0</td>\n",
       "      <td>10</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Italy</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>Too long</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Somewhat more welcome now than last year</td>\n",
       "      <td>NaN</td>\n",
       "      <td>3</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>23837</th>\n",
       "      <td>I am a student who is learning to code</td>\n",
       "      <td>Yes</td>\n",
       "      <td>15.0</td>\n",
       "      <td>9</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Hungary</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Too long</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>jQuery</td>\n",
       "      <td>ASP.NET;ASP.NET Core;jQuery</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>NaN</td>\n",
       "      <td>3</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>11615</th>\n",
       "      <td>I am a student who is learning to code</td>\n",
       "      <td>Yes</td>\n",
       "      <td>15.0</td>\n",
       "      <td>14</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Germany</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>I never declared a major</td>\n",
       "      <td>Angular;Angular.js</td>\n",
       "      <td>jQuery</td>\n",
       "      <td>A lot more welcome now than last year</td>\n",
       "      <td>NaN</td>\n",
       "      <td>1</td>\n",
       "      <td>NaN</td>\n",
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       "      <td>I am a student who is learning to code</td>\n",
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       "      <td>13</td>\n",
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       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>United States</td>\n",
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       "      <td>Appropriate in length</td>\n",
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       "      <td>NaN</td>\n",
       "      <td>Not applicable - I did not use Stack Overflow ...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>2</td>\n",
       "      <td>NaN</td>\n",
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       "    <tr>\n",
       "      <th>29215</th>\n",
       "      <td>I am a student who is learning to code</td>\n",
       "      <td>Yes</td>\n",
       "      <td>15.0</td>\n",
       "      <td>10</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>United Kingdom</td>\n",
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       "      <td>NaN</td>\n",
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       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>NaN</td>\n",
       "      <td>6</td>\n",
       "      <td>NaN</td>\n",
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       "    <tr>\n",
       "      <th>...</th>\n",
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       "      <td>...</td>\n",
       "      <td>...</td>\n",
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       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>275</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>18</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Nepal</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>Angular.js;Express;Spring;Vue.js</td>\n",
       "      <td>Spring;Vue.js</td>\n",
       "      <td>Somewhat more welcome now than last year</td>\n",
       "      <td>NaN</td>\n",
       "      <td>6</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>63802</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>20</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>India</td>\n",
       "      <td>Indian rupee</td>\n",
       "      <td>INR</td>\n",
       "      <td>...</td>\n",
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       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>3</td>\n",
       "      <td>2</td>\n",
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       "    <tr>\n",
       "      <th>16771</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>11</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>United States</td>\n",
       "      <td>United States dollar</td>\n",
       "      <td>USD</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Another engineering discipline (such as civil,...</td>\n",
       "      <td>Angular;Express;Spring</td>\n",
       "      <td>Angular;Express;Spring</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>50.0</td>\n",
       "      <td>41</td>\n",
       "      <td>24</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>38831</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Netherlands</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7093</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Indonesia</td>\n",
       "      <td>Indonesian rupiah</td>\n",
       "      <td>IDR</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>1000 rows × 60 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                                        MainBranch Hobbyist   Age Age1stCode  \\\n",
       "Respondent                                                                     \n",
       "59748       I am a student who is learning to code      Yes  13.0         10   \n",
       "23837       I am a student who is learning to code      Yes  15.0          9   \n",
       "11615       I am a student who is learning to code      Yes  15.0         14   \n",
       "4656        I am a student who is learning to code      Yes  15.0         13   \n",
       "29215       I am a student who is learning to code      Yes  15.0         10   \n",
       "...                                            ...      ...   ...        ...   \n",
       "275                 I am a developer by profession       No   NaN         18   \n",
       "63802               I am a developer by profession      Yes   NaN         20   \n",
       "16771               I am a developer by profession      Yes   NaN         11   \n",
       "38831               I am a developer by profession      Yes   NaN        NaN   \n",
       "7093                I am a developer by profession      Yes   NaN        NaN   \n",
       "\n",
       "           CompFreq  CompTotal  ConvertedComp         Country  \\\n",
       "Respondent                                                      \n",
       "59748           NaN        NaN            NaN           Italy   \n",
       "23837           NaN        NaN            NaN         Hungary   \n",
       "11615           NaN        NaN            NaN         Germany   \n",
       "4656            NaN        NaN            NaN   United States   \n",
       "29215           NaN        NaN            NaN  United Kingdom   \n",
       "...             ...        ...            ...             ...   \n",
       "275             NaN        NaN            NaN           Nepal   \n",
       "63802       Monthly        NaN            NaN           India   \n",
       "16771           NaN        NaN            NaN   United States   \n",
       "38831           NaN        NaN            NaN     Netherlands   \n",
       "7093            NaN        NaN            NaN       Indonesia   \n",
       "\n",
       "                    CurrencyDesc CurrencySymbol  ...  \\\n",
       "Respondent                                       ...   \n",
       "59748                        NaN            NaN  ...   \n",
       "23837                        NaN            NaN  ...   \n",
       "11615                        NaN            NaN  ...   \n",
       "4656                         NaN            NaN  ...   \n",
       "29215                        NaN            NaN  ...   \n",
       "...                          ...            ...  ...   \n",
       "275                          NaN            NaN  ...   \n",
       "63802               Indian rupee            INR  ...   \n",
       "16771       United States dollar            USD  ...   \n",
       "38831                        NaN            NaN  ...   \n",
       "7093           Indonesian rupiah            IDR  ...   \n",
       "\n",
       "                            SurveyEase           SurveyLength Trans  \\\n",
       "Respondent                                                            \n",
       "59748       Neither easy nor difficult               Too long    No   \n",
       "23837                             Easy               Too long    No   \n",
       "11615                             Easy  Appropriate in length    No   \n",
       "4656                              Easy  Appropriate in length    No   \n",
       "29215                             Easy  Appropriate in length    No   \n",
       "...                                ...                    ...   ...   \n",
       "275                               Easy  Appropriate in length    No   \n",
       "63802                              NaN                    NaN   NaN   \n",
       "16771                              NaN                    NaN   NaN   \n",
       "38831                              NaN                    NaN   NaN   \n",
       "7093                               NaN                    NaN   NaN   \n",
       "\n",
       "                                               UndergradMajor  \\\n",
       "Respondent                                                      \n",
       "59748                                                     NaN   \n",
       "23837                                                     NaN   \n",
       "11615                                I never declared a major   \n",
       "4656                                 I never declared a major   \n",
       "29215                                                     NaN   \n",
       "...                                                       ...   \n",
       "275         Computer science, computer engineering, or sof...   \n",
       "63802       Computer science, computer engineering, or sof...   \n",
       "16771       Another engineering discipline (such as civil,...   \n",
       "38831                                                     NaN   \n",
       "7093                                                      NaN   \n",
       "\n",
       "                      WebframeDesireNextYear           WebframeWorkedWith  \\\n",
       "Respondent                                                                  \n",
       "59748                                    NaN                          NaN   \n",
       "23837                                 jQuery  ASP.NET;ASP.NET Core;jQuery   \n",
       "11615                     Angular;Angular.js                       jQuery   \n",
       "4656                                     NaN                          NaN   \n",
       "29215                                    NaN                          NaN   \n",
       "...                                      ...                          ...   \n",
       "275         Angular.js;Express;Spring;Vue.js                Spring;Vue.js   \n",
       "63802                                    NaN                          NaN   \n",
       "16771                 Angular;Express;Spring       Angular;Express;Spring   \n",
       "38831                                    NaN                          NaN   \n",
       "7093                                     NaN                          NaN   \n",
       "\n",
       "                                                WelcomeChange WorkWeekHrs  \\\n",
       "Respondent                                                                  \n",
       "59748                Somewhat more welcome now than last year         NaN   \n",
       "23837                 Just as welcome now as I felt last year         NaN   \n",
       "11615                   A lot more welcome now than last year         NaN   \n",
       "4656        Not applicable - I did not use Stack Overflow ...         NaN   \n",
       "29215                 Just as welcome now as I felt last year         NaN   \n",
       "...                                                       ...         ...   \n",
       "275                  Somewhat more welcome now than last year         NaN   \n",
       "63802                                                     NaN         NaN   \n",
       "16771                 Just as welcome now as I felt last year        50.0   \n",
       "38831                                                     NaN         NaN   \n",
       "7093                                                      NaN         NaN   \n",
       "\n",
       "           YearsCode YearsCodePro  \n",
       "Respondent                         \n",
       "59748              3          NaN  \n",
       "23837              3          NaN  \n",
       "11615              1          NaN  \n",
       "4656               2          NaN  \n",
       "29215              6          NaN  \n",
       "...              ...          ...  \n",
       "275                6          NaN  \n",
       "63802              3            2  \n",
       "16771             41           24  \n",
       "38831            NaN          NaN  \n",
       "7093             NaN          NaN  \n",
       "\n",
       "[1000 rows x 60 columns]"
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.sort_values(by = 'Age', ascending=True)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "id": "6ad29896-31d1-481a-81cf-c47823599780",
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
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       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>MainBranch</th>\n",
       "      <th>Hobbyist</th>\n",
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       "      <th>CompFreq</th>\n",
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       "      <th>ConvertedComp</th>\n",
       "      <th>Country</th>\n",
       "      <th>CurrencyDesc</th>\n",
       "      <th>CurrencySymbol</th>\n",
       "      <th>...</th>\n",
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       "  <tbody>\n",
       "    <tr>\n",
       "      <th>36576</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>67.0</td>\n",
       "      <td>18</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>35000.0</td>\n",
       "      <td>6600.0</td>\n",
       "      <td>Russian Federation</td>\n",
       "      <td>Russian ruble</td>\n",
       "      <td>RUB</td>\n",
       "      <td>...</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Another engineering discipline (such as civil,...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Somewhat more welcome now than last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>50</td>\n",
       "      <td>45</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>56924</th>\n",
       "      <td>I used to be a developer by profession, but no...</td>\n",
       "      <td>Yes</td>\n",
       "      <td>63.0</td>\n",
       "      <td>24</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Sweden</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>A social science (such as anthropology, psycho...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>jQuery;React.js</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>NaN</td>\n",
       "      <td>35</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3251</th>\n",
       "      <td>I code primarily as a hobby</td>\n",
       "      <td>Yes</td>\n",
       "      <td>62.0</td>\n",
       "      <td>18</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Finland</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>A business discipline (such as accounting, fin...</td>\n",
       "      <td>Flask</td>\n",
       "      <td>Flask</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>NaN</td>\n",
       "      <td>3</td>\n",
       "      <td>NaN</td>\n",
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       "    <tr>\n",
       "      <th>43830</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>61.0</td>\n",
       "      <td>18</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>125000.0</td>\n",
       "      <td>125000.0</td>\n",
       "      <td>United States</td>\n",
       "      <td>United States dollar</td>\n",
       "      <td>USD</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Fine arts or performing arts (such as graphic ...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>43</td>\n",
       "      <td>37</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>57451</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>No</td>\n",
       "      <td>61.0</td>\n",
       "      <td>19</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>600000.0</td>\n",
       "      <td>64737.0</td>\n",
       "      <td>Norway</td>\n",
       "      <td>Norwegian krone</td>\n",
       "      <td>NOK</td>\n",
       "      <td>...</td>\n",
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       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Vue.js</td>\n",
       "      <td>React.js</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>38.0</td>\n",
       "      <td>42</td>\n",
       "      <td>35</td>\n",
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       "    <tr>\n",
       "      <th>45154</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Lebanon</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Angular;Laravel</td>\n",
       "      <td>React.js</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>59877</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Philippines</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
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       "      <td>React.js</td>\n",
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       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
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       "      <th>64744</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Costa Rica</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>38831</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Netherlands</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7093</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Indonesia</td>\n",
       "      <td>Indonesian rupiah</td>\n",
       "      <td>IDR</td>\n",
       "      <td>...</td>\n",
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       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>1000 rows × 60 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                                                   MainBranch Hobbyist   Age  \\\n",
       "Respondent                                                                     \n",
       "36576                          I am a developer by profession      Yes  67.0   \n",
       "56924       I used to be a developer by profession, but no...      Yes  63.0   \n",
       "3251                              I code primarily as a hobby      Yes  62.0   \n",
       "43830                          I am a developer by profession      Yes  61.0   \n",
       "57451                          I am a developer by profession       No  61.0   \n",
       "...                                                       ...      ...   ...   \n",
       "45154                          I am a developer by profession      Yes   NaN   \n",
       "59877                          I am a developer by profession      Yes   NaN   \n",
       "64744                          I am a developer by profession      Yes   NaN   \n",
       "38831                          I am a developer by profession      Yes   NaN   \n",
       "7093                           I am a developer by profession      Yes   NaN   \n",
       "\n",
       "           Age1stCode CompFreq  CompTotal  ConvertedComp             Country  \\\n",
       "Respondent                                                                     \n",
       "36576              18  Monthly    35000.0         6600.0  Russian Federation   \n",
       "56924              24      NaN        NaN            NaN              Sweden   \n",
       "3251               18      NaN        NaN            NaN             Finland   \n",
       "43830              18   Yearly   125000.0       125000.0       United States   \n",
       "57451              19   Yearly   600000.0        64737.0              Norway   \n",
       "...               ...      ...        ...            ...                 ...   \n",
       "45154             NaN      NaN        NaN            NaN             Lebanon   \n",
       "59877             NaN      NaN        NaN            NaN         Philippines   \n",
       "64744             NaN      NaN        NaN            NaN          Costa Rica   \n",
       "38831             NaN      NaN        NaN            NaN         Netherlands   \n",
       "7093              NaN      NaN        NaN            NaN           Indonesia   \n",
       "\n",
       "                    CurrencyDesc CurrencySymbol  ...  \\\n",
       "Respondent                                       ...   \n",
       "36576              Russian ruble            RUB  ...   \n",
       "56924                        NaN            NaN  ...   \n",
       "3251                         NaN            NaN  ...   \n",
       "43830       United States dollar            USD  ...   \n",
       "57451            Norwegian krone            NOK  ...   \n",
       "...                          ...            ...  ...   \n",
       "45154                        NaN            NaN  ...   \n",
       "59877                        NaN            NaN  ...   \n",
       "64744                        NaN            NaN  ...   \n",
       "38831                        NaN            NaN  ...   \n",
       "7093           Indonesian rupiah            IDR  ...   \n",
       "\n",
       "                            SurveyEase           SurveyLength Trans  \\\n",
       "Respondent                                                            \n",
       "36576       Neither easy nor difficult  Appropriate in length    No   \n",
       "56924                             Easy  Appropriate in length    No   \n",
       "3251                              Easy  Appropriate in length    No   \n",
       "43830                             Easy  Appropriate in length    No   \n",
       "57451                             Easy  Appropriate in length    No   \n",
       "...                                ...                    ...   ...   \n",
       "45154                              NaN                    NaN   NaN   \n",
       "59877                              NaN                    NaN   NaN   \n",
       "64744                              NaN                    NaN   NaN   \n",
       "38831                              NaN                    NaN   NaN   \n",
       "7093                               NaN                    NaN   NaN   \n",
       "\n",
       "                                               UndergradMajor  \\\n",
       "Respondent                                                      \n",
       "36576       Another engineering discipline (such as civil,...   \n",
       "56924       A social science (such as anthropology, psycho...   \n",
       "3251        A business discipline (such as accounting, fin...   \n",
       "43830       Fine arts or performing arts (such as graphic ...   \n",
       "57451                                                     NaN   \n",
       "...                                                       ...   \n",
       "45154                                                     NaN   \n",
       "59877                                                     NaN   \n",
       "64744                                                     NaN   \n",
       "38831                                                     NaN   \n",
       "7093                                                      NaN   \n",
       "\n",
       "           WebframeDesireNextYear WebframeWorkedWith  \\\n",
       "Respondent                                             \n",
       "36576                         NaN                NaN   \n",
       "56924                         NaN    jQuery;React.js   \n",
       "3251                        Flask              Flask   \n",
       "43830                         NaN                NaN   \n",
       "57451                      Vue.js           React.js   \n",
       "...                           ...                ...   \n",
       "45154             Angular;Laravel           React.js   \n",
       "59877                         NaN           React.js   \n",
       "64744                         NaN                NaN   \n",
       "38831                         NaN                NaN   \n",
       "7093                          NaN                NaN   \n",
       "\n",
       "                                       WelcomeChange WorkWeekHrs YearsCode  \\\n",
       "Respondent                                                                   \n",
       "36576       Somewhat more welcome now than last year        40.0        50   \n",
       "56924        Just as welcome now as I felt last year         NaN        35   \n",
       "3251         Just as welcome now as I felt last year         NaN         3   \n",
       "43830        Just as welcome now as I felt last year        40.0        43   \n",
       "57451        Just as welcome now as I felt last year        38.0        42   \n",
       "...                                              ...         ...       ...   \n",
       "45154                                            NaN         NaN       NaN   \n",
       "59877                                            NaN         NaN       NaN   \n",
       "64744                                            NaN         NaN       NaN   \n",
       "38831                                            NaN         NaN       NaN   \n",
       "7093                                             NaN         NaN       NaN   \n",
       "\n",
       "           YearsCodePro  \n",
       "Respondent               \n",
       "36576                45  \n",
       "56924               NaN  \n",
       "3251                NaN  \n",
       "43830                37  \n",
       "57451                35  \n",
       "...                 ...  \n",
       "45154               NaN  \n",
       "59877               NaN  \n",
       "64744               NaN  \n",
       "38831               NaN  \n",
       "7093                NaN  \n",
       "\n",
       "[1000 rows x 60 columns]"
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.sort_values(by=['Age', 'YearsCode'], ascending=False)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "id": "3f66d776-1e03-4900-b5dd-3e8b334ac90b",
   "metadata": {},
   "outputs": [
    {
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       "             Age YearsCode\n",
       "Respondent                \n",
       "36576       67.0        50\n",
       "56924       63.0        35\n",
       "3251        62.0         3\n",
       "43830       61.0        43\n",
       "57451       61.0        42\n",
       "...          ...       ...\n",
       "45154        NaN       NaN\n",
       "59877        NaN       NaN\n",
       "64744        NaN       NaN\n",
       "38831        NaN       NaN\n",
       "7093         NaN       NaN\n",
       "\n",
       "[1000 rows x 2 columns]"
      ]
     },
     "execution_count": 13,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
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    "survey_df.sort_values(by=['Age', 'YearsCode'], ascending=False)[['Age', 'YearsCode']]"
   ]
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  {
   "cell_type": "code",
   "execution_count": 14,
   "id": "b6f92430-1bb8-4a22-ae3e-89e0e636a751",
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   "outputs": [
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      "text/plain": [
       "             Age YearsCode\n",
       "Respondent                \n",
       "36576       67.0        50\n",
       "56924       63.0        35\n",
       "3251        62.0         3\n",
       "19890       61.0        39\n",
       "57451       61.0        42\n",
       "43830       61.0        43\n",
       "15907       59.0        35\n",
       "31302       59.0        43\n",
       "49614       58.0        42\n",
       "14140       57.0        22"
      ]
     },
     "execution_count": 14,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.sort_values(by=['Age', 'YearsCode'], ascending=[False, True]).head(10)[['Age', 'YearsCode']]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "id": "e7b89563-daea-4cdd-9e40-5ea341507218",
   "metadata": {},
   "outputs": [
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      ],
      "text/plain": [
       "             Age YearsCode\n",
       "Respondent                \n",
       "36576       67.0        50\n",
       "56924       63.0        35\n",
       "3251        62.0         3\n",
       "43830       61.0        43\n",
       "57451       61.0        42\n",
       "19890       61.0        39\n",
       "31302       59.0        43\n",
       "15907       59.0        35\n",
       "49614       58.0        42\n",
       "592         57.0        41"
      ]
     },
     "execution_count": 15,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.sort_values(by=['Age', 'YearsCode'], ascending=[False, False]).head(10)[['Age', 'YearsCode']]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "id": "f78db7db-9d58-42ab-a8be-5f374819bdc8",
   "metadata": {},
   "outputs": [],
   "source": [
    "#如果需要改变原来的数据，加上 inplace=True"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "id": "07603f62-77af-4e0c-b2e2-848802492813",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "Respondent\n",
       "59748    13.0\n",
       "23837    15.0\n",
       "11615    15.0\n",
       "4656     15.0\n",
       "29215    15.0\n",
       "         ... \n",
       "275       NaN\n",
       "63802     NaN\n",
       "16771     NaN\n",
       "38831     NaN\n",
       "7093      NaN\n",
       "Name: Age, Length: 1000, dtype: float64"
      ]
     },
     "execution_count": 17,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df['Age'].sort_values() # 将单列内容进行排序"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "id": "62f61e08-0dd6-4fec-8a51-1a79049a7c96",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "Respondent\n",
       "29378    1000000.0\n",
       "48807    1000000.0\n",
       "18603     946944.0\n",
       "5292      907572.0\n",
       "28235     867480.0\n",
       "19800     863316.0\n",
       "47454     843168.0\n",
       "21172     801720.0\n",
       "59314     753936.0\n",
       "26443     744000.0\n",
       "Name: ConvertedComp, dtype: float64"
      ]
     },
     "execution_count": 18,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df['ConvertedComp'].nlargest(10) # 前10名工资最高的用户工资信息"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "id": "1c3b833b-9fd1-4640-a4bc-853780044afd",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "Respondent\n",
       "56562       0.0\n",
       "50800    1164.0\n",
       "35324    1512.0\n",
       "60592    1644.0\n",
       "9451     1944.0\n",
       "34102    2064.0\n",
       "63944    2340.0\n",
       "6992     2520.0\n",
       "62991    2556.0\n",
       "48554    2844.0\n",
       "Name: ConvertedComp, dtype: float64"
      ]
     },
     "execution_count": 19,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df['ConvertedComp'].nsmallest(10) # 工资最低的前十名用户工资信息"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "id": "fb72396d-61e3-4e77-b483-dbebb181cdea",
   "metadata": {},
   "outputs": [],
   "source": [
    "richest_users = survey_df.nlargest(10, 'ConvertedComp')#获取最富有的10个人的信息"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "id": "c4833ab9-2d58-4c45-866d-2aa75958a0bd",
   "metadata": {
    "scrolled": true
   },
   "outputs": [
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       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>29378</th>\n",
       "      <td>I am not primarily a developer, but I write co...</td>\n",
       "      <td>Yes</td>\n",
       "      <td>36.0</td>\n",
       "      <td>14</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>2500000.0</td>\n",
       "      <td>1000000.0</td>\n",
       "      <td>Czech Republic</td>\n",
       "      <td>Czech koruna</td>\n",
       "      <td>CZK</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>A business discipline (such as accounting, fin...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>160.0</td>\n",
       "      <td>20</td>\n",
       "      <td>16</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>48807</th>\n",
       "      <td>I am not primarily a developer, but I write co...</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>44</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>200000.0</td>\n",
       "      <td>1000000.0</td>\n",
       "      <td>New Zealand</td>\n",
       "      <td>New Zealand dollar</td>\n",
       "      <td>NZD</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Information systems, information technology, o...</td>\n",
       "      <td>React.js</td>\n",
       "      <td>React.js</td>\n",
       "      <td>A lot more welcome now than last year</td>\n",
       "      <td>50.0</td>\n",
       "      <td>6</td>\n",
       "      <td>Less than 1 year</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>18603</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>30.0</td>\n",
       "      <td>15</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>73000.0</td>\n",
       "      <td>946944.0</td>\n",
       "      <td>Ireland</td>\n",
       "      <td>European Euro</td>\n",
       "      <td>EUR</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>35.0</td>\n",
       "      <td>11</td>\n",
       "      <td>7</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5292</th>\n",
       "      <td>I am not primarily a developer, but I write co...</td>\n",
       "      <td>Yes</td>\n",
       "      <td>33.0</td>\n",
       "      <td>9</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>100000.0</td>\n",
       "      <td>907572.0</td>\n",
       "      <td>Canada</td>\n",
       "      <td>Canadian dollar</td>\n",
       "      <td>CAD</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Too long</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>50.0</td>\n",
       "      <td>20</td>\n",
       "      <td>6</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>28235</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>No</td>\n",
       "      <td>45.0</td>\n",
       "      <td>10</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>670000.0</td>\n",
       "      <td>867480.0</td>\n",
       "      <td>Norway</td>\n",
       "      <td>Norwegian krone</td>\n",
       "      <td>NOK</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>37.0</td>\n",
       "      <td>35</td>\n",
       "      <td>22</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>19800</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>16</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>8000000.0</td>\n",
       "      <td>863316.0</td>\n",
       "      <td>Japan</td>\n",
       "      <td>Japanese yen</td>\n",
       "      <td>JPY</td>\n",
       "      <td>...</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>A humanities discipline (such as literature, h...</td>\n",
       "      <td>ASP.NET Core;Express;Ruby on Rails;Vue.js</td>\n",
       "      <td>ASP.NET Core;Express;Vue.js</td>\n",
       "      <td>Somewhat less welcome now than last year</td>\n",
       "      <td>NaN</td>\n",
       "      <td>6</td>\n",
       "      <td>5</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>47454</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>35.0</td>\n",
       "      <td>16</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>65000.0</td>\n",
       "      <td>843168.0</td>\n",
       "      <td>Germany</td>\n",
       "      <td>European Euro</td>\n",
       "      <td>EUR</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>React.js</td>\n",
       "      <td>Angular.js;jQuery;Ruby on Rails;Spring</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>NaN</td>\n",
       "      <td>15</td>\n",
       "      <td>10</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>21172</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>39.0</td>\n",
       "      <td>8</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>100000.0</td>\n",
       "      <td>801720.0</td>\n",
       "      <td>Australia</td>\n",
       "      <td>Australian dollar</td>\n",
       "      <td>AUD</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>jQuery</td>\n",
       "      <td>jQuery</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>21</td>\n",
       "      <td>16</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>59314</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>32.0</td>\n",
       "      <td>18</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>4500000.0</td>\n",
       "      <td>753936.0</td>\n",
       "      <td>India</td>\n",
       "      <td>Indian rupee</td>\n",
       "      <td>INR</td>\n",
       "      <td>...</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>Too long</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Flask</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>14</td>\n",
       "      <td>10</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>26443</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>23.0</td>\n",
       "      <td>13</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>62000.0</td>\n",
       "      <td>744000.0</td>\n",
       "      <td>United States</td>\n",
       "      <td>United States dollar</td>\n",
       "      <td>USD</td>\n",
       "      <td>...</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>6</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>10 rows × 60 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                                                   MainBranch Hobbyist   Age  \\\n",
       "Respondent                                                                     \n",
       "29378       I am not primarily a developer, but I write co...      Yes  36.0   \n",
       "48807       I am not primarily a developer, but I write co...      Yes   NaN   \n",
       "18603                          I am a developer by profession      Yes  30.0   \n",
       "5292        I am not primarily a developer, but I write co...      Yes  33.0   \n",
       "28235                          I am a developer by profession       No  45.0   \n",
       "19800                          I am a developer by profession      Yes   NaN   \n",
       "47454                          I am a developer by profession      Yes  35.0   \n",
       "21172                          I am a developer by profession      Yes  39.0   \n",
       "59314                          I am a developer by profession      Yes  32.0   \n",
       "26443                          I am a developer by profession      Yes  23.0   \n",
       "\n",
       "           Age1stCode CompFreq  CompTotal  ConvertedComp         Country  \\\n",
       "Respondent                                                                 \n",
       "29378              14  Monthly  2500000.0      1000000.0  Czech Republic   \n",
       "48807              44  Monthly   200000.0      1000000.0     New Zealand   \n",
       "18603              15  Monthly    73000.0       946944.0         Ireland   \n",
       "5292                9  Monthly   100000.0       907572.0          Canada   \n",
       "28235              10  Monthly   670000.0       867480.0          Norway   \n",
       "19800              16  Monthly  8000000.0       863316.0           Japan   \n",
       "47454              16  Monthly    65000.0       843168.0         Germany   \n",
       "21172               8  Monthly   100000.0       801720.0       Australia   \n",
       "59314              18  Monthly  4500000.0       753936.0           India   \n",
       "26443              13  Monthly    62000.0       744000.0   United States   \n",
       "\n",
       "                    CurrencyDesc CurrencySymbol  ...  \\\n",
       "Respondent                                       ...   \n",
       "29378               Czech koruna            CZK  ...   \n",
       "48807         New Zealand dollar            NZD  ...   \n",
       "18603              European Euro            EUR  ...   \n",
       "5292             Canadian dollar            CAD  ...   \n",
       "28235            Norwegian krone            NOK  ...   \n",
       "19800               Japanese yen            JPY  ...   \n",
       "47454              European Euro            EUR  ...   \n",
       "21172          Australian dollar            AUD  ...   \n",
       "59314               Indian rupee            INR  ...   \n",
       "26443       United States dollar            USD  ...   \n",
       "\n",
       "                            SurveyEase           SurveyLength Trans  \\\n",
       "Respondent                                                            \n",
       "29378                             Easy  Appropriate in length    No   \n",
       "48807                             Easy  Appropriate in length    No   \n",
       "18603                             Easy  Appropriate in length    No   \n",
       "5292                              Easy               Too long    No   \n",
       "28235                             Easy  Appropriate in length    No   \n",
       "19800       Neither easy nor difficult  Appropriate in length    No   \n",
       "47454                             Easy  Appropriate in length    No   \n",
       "21172                             Easy  Appropriate in length    No   \n",
       "59314       Neither easy nor difficult               Too long    No   \n",
       "26443       Neither easy nor difficult  Appropriate in length    No   \n",
       "\n",
       "                                               UndergradMajor  \\\n",
       "Respondent                                                      \n",
       "29378       A business discipline (such as accounting, fin...   \n",
       "48807       Information systems, information technology, o...   \n",
       "18603       Computer science, computer engineering, or sof...   \n",
       "5292        Computer science, computer engineering, or sof...   \n",
       "28235       Computer science, computer engineering, or sof...   \n",
       "19800       A humanities discipline (such as literature, h...   \n",
       "47454       Computer science, computer engineering, or sof...   \n",
       "21172       Computer science, computer engineering, or sof...   \n",
       "59314       Computer science, computer engineering, or sof...   \n",
       "26443       Computer science, computer engineering, or sof...   \n",
       "\n",
       "                               WebframeDesireNextYear  \\\n",
       "Respondent                                              \n",
       "29378                                             NaN   \n",
       "48807                                        React.js   \n",
       "18603                                             NaN   \n",
       "5292                                              NaN   \n",
       "28235                                             NaN   \n",
       "19800       ASP.NET Core;Express;Ruby on Rails;Vue.js   \n",
       "47454                                        React.js   \n",
       "21172                                          jQuery   \n",
       "59314                                             NaN   \n",
       "26443                                             NaN   \n",
       "\n",
       "                                WebframeWorkedWith  \\\n",
       "Respondent                                           \n",
       "29378                                          NaN   \n",
       "48807                                     React.js   \n",
       "18603                                          NaN   \n",
       "5292                                           NaN   \n",
       "28235                                          NaN   \n",
       "19800                  ASP.NET Core;Express;Vue.js   \n",
       "47454       Angular.js;jQuery;Ruby on Rails;Spring   \n",
       "21172                                       jQuery   \n",
       "59314                                        Flask   \n",
       "26443                                          NaN   \n",
       "\n",
       "                                       WelcomeChange WorkWeekHrs YearsCode  \\\n",
       "Respondent                                                                   \n",
       "29378        Just as welcome now as I felt last year       160.0        20   \n",
       "48807          A lot more welcome now than last year        50.0         6   \n",
       "18603        Just as welcome now as I felt last year        35.0        11   \n",
       "5292         Just as welcome now as I felt last year        50.0        20   \n",
       "28235        Just as welcome now as I felt last year        37.0        35   \n",
       "19800       Somewhat less welcome now than last year         NaN         6   \n",
       "47454        Just as welcome now as I felt last year         NaN        15   \n",
       "21172        Just as welcome now as I felt last year        40.0        21   \n",
       "59314        Just as welcome now as I felt last year        40.0        14   \n",
       "26443        Just as welcome now as I felt last year        40.0         6   \n",
       "\n",
       "                YearsCodePro  \n",
       "Respondent                    \n",
       "29378                     16  \n",
       "48807       Less than 1 year  \n",
       "18603                      7  \n",
       "5292                       6  \n",
       "28235                     22  \n",
       "19800                      5  \n",
       "47454                     10  \n",
       "21172                     16  \n",
       "59314                     10  \n",
       "26443                      1  \n",
       "\n",
       "[10 rows x 60 columns]"
      ]
     },
     "execution_count": 21,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "richest_users"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "id": "90b0df7e-4a2c-4298-9b30-ae3d6fbbbf59",
   "metadata": {},
   "outputs": [
    {
     "data": {
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       "\n",
       "    .dataframe tbody tr th {\n",
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       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
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       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>ConvertedComp</th>\n",
       "      <th>DevType</th>\n",
       "      <th>EdLevel</th>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Respondent</th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "      <th></th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>29378</th>\n",
       "      <td>1000000.0</td>\n",
       "      <td>Data or business analyst;Data scientist or mac...</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>48807</th>\n",
       "      <td>1000000.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>18603</th>\n",
       "      <td>946944.0</td>\n",
       "      <td>Database administrator;Developer, back-end</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5292</th>\n",
       "      <td>907572.0</td>\n",
       "      <td>Developer, back-end</td>\n",
       "      <td>Some college/university study without earning ...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>28235</th>\n",
       "      <td>867480.0</td>\n",
       "      <td>Developer, mobile</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>19800</th>\n",
       "      <td>863316.0</td>\n",
       "      <td>Developer, back-end;Developer, front-end</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>47454</th>\n",
       "      <td>843168.0</td>\n",
       "      <td>Developer, back-end;Developer, full-stack;Deve...</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>21172</th>\n",
       "      <td>801720.0</td>\n",
       "      <td>Developer, back-end;Developer, front-end;Devel...</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>59314</th>\n",
       "      <td>753936.0</td>\n",
       "      <td>Data scientist or machine learning specialist;...</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>26443</th>\n",
       "      <td>744000.0</td>\n",
       "      <td>Developer, back-end;Developer, desktop or ente...</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "            ConvertedComp                                            DevType  \\\n",
       "Respondent                                                                     \n",
       "29378           1000000.0  Data or business analyst;Data scientist or mac...   \n",
       "48807           1000000.0                                                NaN   \n",
       "18603            946944.0         Database administrator;Developer, back-end   \n",
       "5292             907572.0                                Developer, back-end   \n",
       "28235            867480.0                                  Developer, mobile   \n",
       "19800            863316.0           Developer, back-end;Developer, front-end   \n",
       "47454            843168.0  Developer, back-end;Developer, full-stack;Deve...   \n",
       "21172            801720.0  Developer, back-end;Developer, front-end;Devel...   \n",
       "59314            753936.0  Data scientist or machine learning specialist;...   \n",
       "26443            744000.0  Developer, back-end;Developer, desktop or ente...   \n",
       "\n",
       "                                                      EdLevel  \n",
       "Respondent                                                     \n",
       "29378         Master’s degree (M.A., M.S., M.Eng., MBA, etc.)  \n",
       "48807         Master’s degree (M.A., M.S., M.Eng., MBA, etc.)  \n",
       "18603            Bachelor’s degree (B.A., B.S., B.Eng., etc.)  \n",
       "5292        Some college/university study without earning ...  \n",
       "28235            Bachelor’s degree (B.A., B.S., B.Eng., etc.)  \n",
       "19800            Bachelor’s degree (B.A., B.S., B.Eng., etc.)  \n",
       "47454         Master’s degree (M.A., M.S., M.Eng., MBA, etc.)  \n",
       "21172            Bachelor’s degree (B.A., B.S., B.Eng., etc.)  \n",
       "59314            Bachelor’s degree (B.A., B.S., B.Eng., etc.)  \n",
       "26443            Bachelor’s degree (B.A., B.S., B.Eng., etc.)  "
      ]
     },
     "execution_count": 22,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "richest_users[['ConvertedComp', 'DevType', 'EdLevel']] # 查看这些用户的工资、开发类型和教育程度"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 23,
   "id": "ea3d43cb-5d2b-4cfe-9cb0-0ef15cd60063",
   "metadata": {},
   "outputs": [],
   "source": [
    "poorest_users = survey_df.nsmallest(10, 'ConvertedComp') "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "id": "172cd673-813a-4358-adfa-7defdf3c753a",
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
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       "      <th></th>\n",
       "      <th>MainBranch</th>\n",
       "      <th>Hobbyist</th>\n",
       "      <th>Age</th>\n",
       "      <th>Age1stCode</th>\n",
       "      <th>CompFreq</th>\n",
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       "      <th>ConvertedComp</th>\n",
       "      <th>Country</th>\n",
       "      <th>CurrencyDesc</th>\n",
       "      <th>CurrencySymbol</th>\n",
       "      <th>...</th>\n",
       "      <th>SurveyEase</th>\n",
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       "      <th>Trans</th>\n",
       "      <th>UndergradMajor</th>\n",
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       "      <th>WebframeWorkedWith</th>\n",
       "      <th>WelcomeChange</th>\n",
       "      <th>WorkWeekHrs</th>\n",
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       "      <th>YearsCodePro</th>\n",
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       "    <tr>\n",
       "      <th>56562</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>25.0</td>\n",
       "      <td>21</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>1.0</td>\n",
       "      <td>0.0</td>\n",
       "      <td>Nepal</td>\n",
       "      <td>Nepalese rupee</td>\n",
       "      <td>NPR</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>Angular;Django;Express;Flask;React.js;Spring</td>\n",
       "      <td>Angular;Express;jQuery;Laravel;React.js;Ruby o...</td>\n",
       "      <td>A lot more welcome now than last year</td>\n",
       "      <td>42.0</td>\n",
       "      <td>4</td>\n",
       "      <td>Less than 1 year</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>50800</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>19</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>15000.0</td>\n",
       "      <td>1164.0</td>\n",
       "      <td>Pakistan</td>\n",
       "      <td>Pakistani rupee</td>\n",
       "      <td>PKR</td>\n",
       "      <td>...</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>Angular;Angular.js;ASP.NET;ASP.NET Core;jQuery...</td>\n",
       "      <td>ASP.NET;Spring</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>NaN</td>\n",
       "      <td>5</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>35324</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>26.0</td>\n",
       "      <td>16</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>9000.0</td>\n",
       "      <td>1512.0</td>\n",
       "      <td>India</td>\n",
       "      <td>Indian rupee</td>\n",
       "      <td>INR</td>\n",
       "      <td>...</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>Angular;Express;Flask;Gatsby;React.js;Spring;V...</td>\n",
       "      <td>Angular;Express;jQuery</td>\n",
       "      <td>Somewhat more welcome now than last year</td>\n",
       "      <td>45.0</td>\n",
       "      <td>4</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>60592</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>34.0</td>\n",
       "      <td>19</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>50000.0</td>\n",
       "      <td>1644.0</td>\n",
       "      <td>Nigeria</td>\n",
       "      <td>Nigerian naira</td>\n",
       "      <td>NGN</td>\n",
       "      <td>...</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>NaN</td>\n",
       "      <td>A humanities discipline (such as literature, h...</td>\n",
       "      <td>Laravel</td>\n",
       "      <td>jQuery</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>NaN</td>\n",
       "      <td>15</td>\n",
       "      <td>3</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>9451</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>31.0</td>\n",
       "      <td>31</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>25000.0</td>\n",
       "      <td>1944.0</td>\n",
       "      <td>Pakistan</td>\n",
       "      <td>Pakistani rupee</td>\n",
       "      <td>PKR</td>\n",
       "      <td>...</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>Too long</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Express;jQuery;Laravel;React.js;Ruby on Rails;...</td>\n",
       "      <td>A lot less welcome now than last year</td>\n",
       "      <td>80.0</td>\n",
       "      <td>8</td>\n",
       "      <td>4</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>34102</th>\n",
       "      <td>I am not primarily a developer, but I write co...</td>\n",
       "      <td>Yes</td>\n",
       "      <td>22.0</td>\n",
       "      <td>17</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>12300.0</td>\n",
       "      <td>2064.0</td>\n",
       "      <td>India</td>\n",
       "      <td>Indian rupee</td>\n",
       "      <td>INR</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
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       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>Drupal;jQuery;Laravel;Ruby on Rails</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Somewhat more welcome now than last year</td>\n",
       "      <td>45.0</td>\n",
       "      <td>5</td>\n",
       "      <td>Less than 1 year</td>\n",
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       "    <tr>\n",
       "      <th>63944</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>22</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>30000.0</td>\n",
       "      <td>2340.0</td>\n",
       "      <td>Pakistan</td>\n",
       "      <td>Pakistani rupee</td>\n",
       "      <td>PKR</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Information systems, information technology, o...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Somewhat more welcome now than last year</td>\n",
       "      <td>NaN</td>\n",
       "      <td>2</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6992</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>22.0</td>\n",
       "      <td>18</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>15020.0</td>\n",
       "      <td>2520.0</td>\n",
       "      <td>India</td>\n",
       "      <td>Indian rupee</td>\n",
       "      <td>INR</td>\n",
       "      <td>...</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>Angular;ASP.NET;ASP.NET Core;React.js</td>\n",
       "      <td>Angular;Angular.js;ASP.NET;ASP.NET Core;jQuery</td>\n",
       "      <td>A lot more welcome now than last year</td>\n",
       "      <td>42.0</td>\n",
       "      <td>4</td>\n",
       "      <td>Less than 1 year</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>62991</th>\n",
       "      <td>I am not primarily a developer, but I write co...</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>18</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>10800.0</td>\n",
       "      <td>2556.0</td>\n",
       "      <td>Philippines</td>\n",
       "      <td>Philippine peso</td>\n",
       "      <td>PHP</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Another engineering discipline (such as civil,...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>105.0</td>\n",
       "      <td>5</td>\n",
       "      <td>6</td>\n",
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       "      <th>48554</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>No</td>\n",
       "      <td>21.0</td>\n",
       "      <td>15</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>17000.0</td>\n",
       "      <td>2844.0</td>\n",
       "      <td>India</td>\n",
       "      <td>Indian rupee</td>\n",
       "      <td>INR</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Too long</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>Angular;Angular.js;ASP.NET;ASP.NET Core;jQuery...</td>\n",
       "      <td>ASP.NET;ASP.NET Core;jQuery;React.js;Vue.js</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>45.0</td>\n",
       "      <td>7</td>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>10 rows × 60 columns</p>\n",
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      ],
      "text/plain": [
       "                                                   MainBranch Hobbyist   Age  \\\n",
       "Respondent                                                                     \n",
       "56562                          I am a developer by profession      Yes  25.0   \n",
       "50800                          I am a developer by profession      Yes   NaN   \n",
       "35324                          I am a developer by profession      Yes  26.0   \n",
       "60592                          I am a developer by profession      Yes  34.0   \n",
       "9451                           I am a developer by profession      Yes  31.0   \n",
       "34102       I am not primarily a developer, but I write co...      Yes  22.0   \n",
       "63944                          I am a developer by profession      Yes   NaN   \n",
       "6992                           I am a developer by profession      Yes  22.0   \n",
       "62991       I am not primarily a developer, but I write co...      Yes   NaN   \n",
       "48554                          I am a developer by profession       No  21.0   \n",
       "\n",
       "           Age1stCode CompFreq  CompTotal  ConvertedComp      Country  \\\n",
       "Respondent                                                              \n",
       "56562              21  Monthly        1.0            0.0        Nepal   \n",
       "50800              19  Monthly    15000.0         1164.0     Pakistan   \n",
       "35324              16  Monthly     9000.0         1512.0        India   \n",
       "60592              19  Monthly    50000.0         1644.0      Nigeria   \n",
       "9451               31  Monthly    25000.0         1944.0     Pakistan   \n",
       "34102              17  Monthly    12300.0         2064.0        India   \n",
       "63944              22  Monthly    30000.0         2340.0     Pakistan   \n",
       "6992               18  Monthly    15020.0         2520.0        India   \n",
       "62991              18  Monthly    10800.0         2556.0  Philippines   \n",
       "48554              15  Monthly    17000.0         2844.0        India   \n",
       "\n",
       "               CurrencyDesc CurrencySymbol  ...                  SurveyEase  \\\n",
       "Respondent                                  ...                               \n",
       "56562        Nepalese rupee            NPR  ...                        Easy   \n",
       "50800       Pakistani rupee            PKR  ...  Neither easy nor difficult   \n",
       "35324          Indian rupee            INR  ...  Neither easy nor difficult   \n",
       "60592        Nigerian naira            NGN  ...  Neither easy nor difficult   \n",
       "9451        Pakistani rupee            PKR  ...  Neither easy nor difficult   \n",
       "34102          Indian rupee            INR  ...                        Easy   \n",
       "63944       Pakistani rupee            PKR  ...                         NaN   \n",
       "6992           Indian rupee            INR  ...  Neither easy nor difficult   \n",
       "62991       Philippine peso            PHP  ...                         NaN   \n",
       "48554          Indian rupee            INR  ...                        Easy   \n",
       "\n",
       "                     SurveyLength Trans  \\\n",
       "Respondent                                \n",
       "56562       Appropriate in length    No   \n",
       "50800       Appropriate in length    No   \n",
       "35324       Appropriate in length    No   \n",
       "60592       Appropriate in length   NaN   \n",
       "9451                     Too long    No   \n",
       "34102                    Too long    No   \n",
       "63944                         NaN   NaN   \n",
       "6992        Appropriate in length    No   \n",
       "62991                         NaN   NaN   \n",
       "48554                    Too long    No   \n",
       "\n",
       "                                               UndergradMajor  \\\n",
       "Respondent                                                      \n",
       "56562       Computer science, computer engineering, or sof...   \n",
       "50800       Computer science, computer engineering, or sof...   \n",
       "35324       Computer science, computer engineering, or sof...   \n",
       "60592       A humanities discipline (such as literature, h...   \n",
       "9451        Computer science, computer engineering, or sof...   \n",
       "34102       Computer science, computer engineering, or sof...   \n",
       "63944       Information systems, information technology, o...   \n",
       "6992        Computer science, computer engineering, or sof...   \n",
       "62991       Another engineering discipline (such as civil,...   \n",
       "48554       Computer science, computer engineering, or sof...   \n",
       "\n",
       "                                       WebframeDesireNextYear  \\\n",
       "Respondent                                                      \n",
       "56562            Angular;Django;Express;Flask;React.js;Spring   \n",
       "50800       Angular;Angular.js;ASP.NET;ASP.NET Core;jQuery...   \n",
       "35324       Angular;Express;Flask;Gatsby;React.js;Spring;V...   \n",
       "60592                                                 Laravel   \n",
       "9451                                                      NaN   \n",
       "34102                     Drupal;jQuery;Laravel;Ruby on Rails   \n",
       "63944                                                     NaN   \n",
       "6992                    Angular;ASP.NET;ASP.NET Core;React.js   \n",
       "62991                                                     NaN   \n",
       "48554       Angular;Angular.js;ASP.NET;ASP.NET Core;jQuery...   \n",
       "\n",
       "                                           WebframeWorkedWith  \\\n",
       "Respondent                                                      \n",
       "56562       Angular;Express;jQuery;Laravel;React.js;Ruby o...   \n",
       "50800                                          ASP.NET;Spring   \n",
       "35324                                  Angular;Express;jQuery   \n",
       "60592                                                  jQuery   \n",
       "9451        Express;jQuery;Laravel;React.js;Ruby on Rails;...   \n",
       "34102                                                     NaN   \n",
       "63944                                                     NaN   \n",
       "6992           Angular;Angular.js;ASP.NET;ASP.NET Core;jQuery   \n",
       "62991                                                     NaN   \n",
       "48554             ASP.NET;ASP.NET Core;jQuery;React.js;Vue.js   \n",
       "\n",
       "                                       WelcomeChange WorkWeekHrs YearsCode  \\\n",
       "Respondent                                                                   \n",
       "56562          A lot more welcome now than last year        42.0         4   \n",
       "50800        Just as welcome now as I felt last year         NaN         5   \n",
       "35324       Somewhat more welcome now than last year        45.0         4   \n",
       "60592        Just as welcome now as I felt last year         NaN        15   \n",
       "9451           A lot less welcome now than last year        80.0         8   \n",
       "34102       Somewhat more welcome now than last year        45.0         5   \n",
       "63944       Somewhat more welcome now than last year         NaN         2   \n",
       "6992           A lot more welcome now than last year        42.0         4   \n",
       "62991                                            NaN       105.0         5   \n",
       "48554        Just as welcome now as I felt last year        45.0         7   \n",
       "\n",
       "                YearsCodePro  \n",
       "Respondent                    \n",
       "56562       Less than 1 year  \n",
       "50800                      1  \n",
       "35324                      1  \n",
       "60592                      3  \n",
       "9451                       4  \n",
       "34102       Less than 1 year  \n",
       "63944                      1  \n",
       "6992        Less than 1 year  \n",
       "62991                      6  \n",
       "48554                      2  \n",
       "\n",
       "[10 rows x 60 columns]"
      ]
     },
     "execution_count": 24,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "poorest_users"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "id": "aadcec05-947b-47c9-8f39-5bcf3146b7a6",
   "metadata": {},
   "outputs": [
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       "      <th></th>\n",
       "      <th>ConvertedComp</th>\n",
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       "      <th>56562</th>\n",
       "      <td>0.0</td>\n",
       "      <td>Developer, back-end;Developer, front-end;Devel...</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>50800</th>\n",
       "      <td>1164.0</td>\n",
       "      <td>Developer, back-end;Developer, desktop or ente...</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>35324</th>\n",
       "      <td>1512.0</td>\n",
       "      <td>Data or business analyst;Data scientist or mac...</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>60592</th>\n",
       "      <td>1644.0</td>\n",
       "      <td>Data or business analyst;Database administrato...</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>9451</th>\n",
       "      <td>1944.0</td>\n",
       "      <td>Developer, back-end;Developer, front-end;Devel...</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>34102</th>\n",
       "      <td>2064.0</td>\n",
       "      <td>Developer, back-end</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>63944</th>\n",
       "      <td>2340.0</td>\n",
       "      <td>Developer, back-end;Educator</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6992</th>\n",
       "      <td>2520.0</td>\n",
       "      <td>Developer, back-end;Developer, front-end;Devel...</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>62991</th>\n",
       "      <td>2556.0</td>\n",
       "      <td>Academic researcher;Developer, desktop or ente...</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>48554</th>\n",
       "      <td>2844.0</td>\n",
       "      <td>Academic researcher;Designer;Developer, back-e...</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "            ConvertedComp                                            DevType  \\\n",
       "Respondent                                                                     \n",
       "56562                 0.0  Developer, back-end;Developer, front-end;Devel...   \n",
       "50800              1164.0  Developer, back-end;Developer, desktop or ente...   \n",
       "35324              1512.0  Data or business analyst;Data scientist or mac...   \n",
       "60592              1644.0  Data or business analyst;Database administrato...   \n",
       "9451               1944.0  Developer, back-end;Developer, front-end;Devel...   \n",
       "34102              2064.0                                Developer, back-end   \n",
       "63944              2340.0                       Developer, back-end;Educator   \n",
       "6992               2520.0  Developer, back-end;Developer, front-end;Devel...   \n",
       "62991              2556.0  Academic researcher;Developer, desktop or ente...   \n",
       "48554              2844.0  Academic researcher;Designer;Developer, back-e...   \n",
       "\n",
       "                                                    EdLevel  \n",
       "Respondent                                                   \n",
       "56562          Bachelor’s degree (B.A., B.S., B.Eng., etc.)  \n",
       "50800          Bachelor’s degree (B.A., B.S., B.Eng., etc.)  \n",
       "35324       Master’s degree (M.A., M.S., M.Eng., MBA, etc.)  \n",
       "60592          Bachelor’s degree (B.A., B.S., B.Eng., etc.)  \n",
       "9451        Master’s degree (M.A., M.S., M.Eng., MBA, etc.)  \n",
       "34102          Bachelor’s degree (B.A., B.S., B.Eng., etc.)  \n",
       "63944       Master’s degree (M.A., M.S., M.Eng., MBA, etc.)  \n",
       "6992           Bachelor’s degree (B.A., B.S., B.Eng., etc.)  \n",
       "62991          Bachelor’s degree (B.A., B.S., B.Eng., etc.)  \n",
       "48554          Bachelor’s degree (B.A., B.S., B.Eng., etc.)  "
      ]
     },
     "execution_count": 25,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "poorest_users[['ConvertedComp', 'DevType', 'EdLevel']] # 查看这些用户的工资、开发类型和教育程度"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 26,
   "id": "fd92bb73-a694-4447-a01d-3f4941b579e2",
   "metadata": {},
   "outputs": [],
   "source": [
    "# 章节地址：https://turingplanet.org/2021/05/05/pandas-intro4/"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 29,
   "id": "353d546d-e99d-47fb-9220-fa63256efa09",
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "MainBranch\n",
      "Respondent\n",
      "20900    I am a developer by profession\n",
      "28235    I am a developer by profession\n",
      "26082    I am a developer by profession\n",
      "19890    I am a developer by profession\n",
      "16393    I am a developer by profession\n",
      "                      ...              \n",
      "51360    I am a developer by profession\n",
      "16771    I am a developer by profession\n",
      "38831    I am a developer by profession\n",
      "7093     I am a developer by profession\n",
      "51843    I am a developer by profession\n",
      "Name: MainBranch, Length: 1000, dtype: object\n"
     ]
    }
   ],
   "source": [
    "for col_name, col_data in survey_df.items(): #迭代列\n",
    "    print(col_name) #打印列名\n",
    "    print(col_data) #打印列上的数据\n",
    "    break"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 30,
   "id": "2ef0e8c4-74de-4e14-8756-d025d681dc51",
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "20900\n",
      "MainBranch                                         I am a developer by profession\n",
      "Hobbyist                                                                      Yes\n",
      "Age                                                                           NaN\n",
      "Age1stCode                                                                     10\n",
      "CompFreq                                                                  Monthly\n",
      "CompTotal                                                                  8000.0\n",
      "ConvertedComp                                                             53040.0\n",
      "Country                                                                  Bulgaria\n",
      "CurrencyDesc                                                        Bulgarian lev\n",
      "CurrencySymbol                                                                BGN\n",
      "DatabaseDesireNextYear                                            Cassandra;Redis\n",
      "DatabaseWorkedWith                                  Cassandra;MariaDB;MySQL;Redis\n",
      "DevType                         Academic researcher;Developer, back-end;Develo...\n",
      "EdLevel                           Master’s degree (M.A., M.S., M.Eng., MBA, etc.)\n",
      "Employment                                                     Employed full-time\n",
      "Ethnicity                                            White or of European descent\n",
      "Gender                                                                        Man\n",
      "JobFactors                      Industry that I’d be working in;Flex time or a...\n",
      "JobSat                                         Neither satisfied nor dissatisfied\n",
      "JobSeek                         I’m not actively looking, but I am open to new...\n",
      "LanguageDesireNextYear                                                   C;C#;C++\n",
      "LanguageWorkedWith                                 C;C#;C++;JavaScript;PHP;Python\n",
      "MiscTechDesireNextYear                                                       .NET\n",
      "MiscTechWorkedWith                                                           .NET\n",
      "NEWCollabToolsDesireNextYear                                                  NaN\n",
      "NEWCollabToolsWorkedWith                                                      NaN\n",
      "NEWDevOps                                                                Not sure\n",
      "NEWDevOpsImpt                                                 Extremely important\n",
      "NEWEdImpt                                                    Critically important\n",
      "NEWJobHunt                      Wanting to share accomplishments with a wider ...\n",
      "NEWJobHuntResearch              Read company media, such as employee blogs or ...\n",
      "NEWLearn                                                         Every few months\n",
      "NEWOffTopic                                                              Not sure\n",
      "NEWOnboardGood                                       Onboarding? What onboarding?\n",
      "NEWOtherComms                                                                  No\n",
      "NEWOvertime                     Occasionally: 1-2 days per quarter but less th...\n",
      "NEWPurchaseResearch                                                           NaN\n",
      "NEWPurpleLink                                                             Annoyed\n",
      "NEWSOSites                      Stack Overflow (public Q&A for anyone who code...\n",
      "NEWStuck                                                               Play games\n",
      "OpSys                                                                 Linux-based\n",
      "OrgSize                                                      100 to 499 employees\n",
      "PlatformDesireNextYear                                                        NaN\n",
      "PlatformWorkedWith                                                            NaN\n",
      "PurchaseWhat                                        I have little or no influence\n",
      "Sexuality                                                                     NaN\n",
      "SOAccount                                                                     Yes\n",
      "SOComm                                                             No, not at all\n",
      "SOPartFreq                      I have never participated in Q&A on Stack Over...\n",
      "SOVisitFreq                                                  A few times per week\n",
      "SurveyEase                                                                    NaN\n",
      "SurveyLength                                                                  NaN\n",
      "Trans                                                                          No\n",
      "UndergradMajor                  Computer science, computer engineering, or sof...\n",
      "WebframeDesireNextYear                                                        NaN\n",
      "WebframeWorkedWith                                                            NaN\n",
      "WelcomeChange                             Just as welcome now as I felt last year\n",
      "WorkWeekHrs                                                                  45.0\n",
      "YearsCode                                                                      23\n",
      "YearsCodePro                                                                   15\n",
      "Name: 20900, dtype: object\n"
     ]
    }
   ],
   "source": [
    "for row_index, row_info in survey_df.iterrows(): #迭代行\n",
    "    print(row_index)\n",
    "    print(row_info)\n",
    "    break"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 32,
   "id": "6236ef0d-9654-423b-b566-0a694b9a1fbc",
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>20900</th>\n",
       "      <th>28235</th>\n",
       "      <th>26082</th>\n",
       "      <th>19890</th>\n",
       "      <th>16393</th>\n",
       "      <th>46721</th>\n",
       "      <th>26832</th>\n",
       "      <th>35682</th>\n",
       "      <th>43435</th>\n",
       "      <th>15003</th>\n",
       "      <th>...</th>\n",
       "      <th>46595</th>\n",
       "      <th>32771</th>\n",
       "      <th>63802</th>\n",
       "      <th>4528</th>\n",
       "      <th>10977</th>\n",
       "      <th>51360</th>\n",
       "      <th>16771</th>\n",
       "      <th>38831</th>\n",
       "      <th>7093</th>\n",
       "      <th>51843</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>MainBranch</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>I am a student who is learning to code</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>...</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>I code primarily as a hobby</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>I am a student who is learning to code</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Hobbyist</th>\n",
       "      <td>Yes</td>\n",
       "      <td>No</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>No</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>...</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Age</th>\n",
       "      <td>NaN</td>\n",
       "      <td>45.0</td>\n",
       "      <td>23.0</td>\n",
       "      <td>61.0</td>\n",
       "      <td>25.0</td>\n",
       "      <td>48.0</td>\n",
       "      <td>34.0</td>\n",
       "      <td>37.0</td>\n",
       "      <td>23.0</td>\n",
       "      <td>29.0</td>\n",
       "      <td>...</td>\n",
       "      <td>34.0</td>\n",
       "      <td>29.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>34.0</td>\n",
       "      <td>30.0</td>\n",
       "      <td>26.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>29.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Age1stCode</th>\n",
       "      <td>10</td>\n",
       "      <td>10</td>\n",
       "      <td>14</td>\n",
       "      <td>21</td>\n",
       "      <td>15</td>\n",
       "      <td>11</td>\n",
       "      <td>26</td>\n",
       "      <td>14</td>\n",
       "      <td>12</td>\n",
       "      <td>12</td>\n",
       "      <td>...</td>\n",
       "      <td>14</td>\n",
       "      <td>8</td>\n",
       "      <td>20</td>\n",
       "      <td>10</td>\n",
       "      <td>12</td>\n",
       "      <td>13</td>\n",
       "      <td>11</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>20</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>CompFreq</th>\n",
       "      <td>Monthly</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Weekly</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>...</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Monthly</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>CompTotal</th>\n",
       "      <td>8000.0</td>\n",
       "      <td>670000.0</td>\n",
       "      <td>65000.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>130000.0</td>\n",
       "      <td>38500.0</td>\n",
       "      <td>770000.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>115000.0</td>\n",
       "      <td>...</td>\n",
       "      <td>60000.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>16000.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>90000.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>ConvertedComp</th>\n",
       "      <td>53040.0</td>\n",
       "      <td>867480.0</td>\n",
       "      <td>65000.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>83057.0</td>\n",
       "      <td>49765.0</td>\n",
       "      <td>83079.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>115000.0</td>\n",
       "      <td>...</td>\n",
       "      <td>40086.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>12312.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>10680.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Country</th>\n",
       "      <td>Bulgaria</td>\n",
       "      <td>Norway</td>\n",
       "      <td>United States</td>\n",
       "      <td>Canada</td>\n",
       "      <td>Uruguay</td>\n",
       "      <td>New Zealand</td>\n",
       "      <td>United Kingdom</td>\n",
       "      <td>Norway</td>\n",
       "      <td>Germany</td>\n",
       "      <td>United States</td>\n",
       "      <td>...</td>\n",
       "      <td>Australia</td>\n",
       "      <td>Russian Federation</td>\n",
       "      <td>India</td>\n",
       "      <td>United States</td>\n",
       "      <td>Germany</td>\n",
       "      <td>Egypt</td>\n",
       "      <td>United States</td>\n",
       "      <td>Netherlands</td>\n",
       "      <td>Indonesia</td>\n",
       "      <td>Kenya</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>CurrencyDesc</th>\n",
       "      <td>Bulgarian lev</td>\n",
       "      <td>Norwegian krone</td>\n",
       "      <td>United States dollar</td>\n",
       "      <td>Canadian dollar</td>\n",
       "      <td>Uruguayan peso</td>\n",
       "      <td>New Zealand dollar</td>\n",
       "      <td>Pound sterling</td>\n",
       "      <td>Norwegian krone</td>\n",
       "      <td>NaN</td>\n",
       "      <td>United States dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>Australian dollar</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Indian rupee</td>\n",
       "      <td>NaN</td>\n",
       "      <td>European Euro</td>\n",
       "      <td>Egyptian pound</td>\n",
       "      <td>United States dollar</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Indonesian rupiah</td>\n",
       "      <td>Kenyan shilling</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>CurrencySymbol</th>\n",
       "      <td>BGN</td>\n",
       "      <td>NOK</td>\n",
       "      <td>USD</td>\n",
       "      <td>CAD</td>\n",
       "      <td>UYU</td>\n",
       "      <td>NZD</td>\n",
       "      <td>GBP</td>\n",
       "      <td>NOK</td>\n",
       "      <td>NaN</td>\n",
       "      <td>USD</td>\n",
       "      <td>...</td>\n",
       "      <td>AUD</td>\n",
       "      <td>NaN</td>\n",
       "      <td>INR</td>\n",
       "      <td>NaN</td>\n",
       "      <td>EUR</td>\n",
       "      <td>EGP</td>\n",
       "      <td>USD</td>\n",
       "      <td>NaN</td>\n",
       "      <td>IDR</td>\n",
       "      <td>KES</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>DatabaseDesireNextYear</th>\n",
       "      <td>Cassandra;Redis</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Microsoft SQL Server;PostgreSQL</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Microsoft SQL Server;MongoDB;SQLite</td>\n",
       "      <td>Microsoft SQL Server</td>\n",
       "      <td>Cassandra</td>\n",
       "      <td>MySQL</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>PostgreSQL</td>\n",
       "      <td>MariaDB;MongoDB;PostgreSQL;SQLite</td>\n",
       "      <td>NaN</td>\n",
       "      <td>PostgreSQL;Redis;SQLite</td>\n",
       "      <td>MariaDB</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Couchbase;PostgreSQL</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Firebase;MySQL;PostgreSQL</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>DatabaseWorkedWith</th>\n",
       "      <td>Cassandra;MariaDB;MySQL;Redis</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Microsoft SQL Server;MySQL;PostgreSQL;SQLite</td>\n",
       "      <td>Microsoft SQL Server</td>\n",
       "      <td>Elasticsearch;MySQL;Redis</td>\n",
       "      <td>Microsoft SQL Server;SQLite</td>\n",
       "      <td>Microsoft SQL Server</td>\n",
       "      <td>Elasticsearch;Firebase;MariaDB;Microsoft SQL S...</td>\n",
       "      <td>MySQL</td>\n",
       "      <td>DynamoDB;Firebase;MySQL;PostgreSQL</td>\n",
       "      <td>...</td>\n",
       "      <td>MongoDB;PostgreSQL;SQLite</td>\n",
       "      <td>MariaDB;MongoDB;MySQL;PostgreSQL;SQLite</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Elasticsearch;PostgreSQL;Redis;SQLite</td>\n",
       "      <td>MariaDB;MySQL;SQLite</td>\n",
       "      <td>Firebase</td>\n",
       "      <td>Couchbase;Firebase;PostgreSQL</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>MySQL;PostgreSQL</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>DevType</th>\n",
       "      <td>Academic researcher;Developer, back-end;Develo...</td>\n",
       "      <td>Developer, mobile</td>\n",
       "      <td>Developer, full-stack</td>\n",
       "      <td>Designer;Developer, desktop or enterprise appl...</td>\n",
       "      <td>Data scientist or machine learning specialist;...</td>\n",
       "      <td>Data or business analyst;Database administrato...</td>\n",
       "      <td>Developer, full-stack</td>\n",
       "      <td>Developer, back-end;Developer, full-stack;DevO...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Developer, full-stack</td>\n",
       "      <td>...</td>\n",
       "      <td>Developer, back-end;Developer, full-stack</td>\n",
       "      <td>Developer, back-end;Developer, front-end;Devel...</td>\n",
       "      <td>Designer;Developer, desktop or enterprise appl...</td>\n",
       "      <td>Developer, back-end;DevOps specialist;Engineer...</td>\n",
       "      <td>Developer, back-end;Developer, game or graphic...</td>\n",
       "      <td>Developer, embedded applications or devices;De...</td>\n",
       "      <td>Database administrator;Designer;Developer, bac...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Database administrator;Designer;Developer, bac...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>EdLevel</th>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>Associate degree (A.A., A.S., etc.)</td>\n",
       "      <td>Associate degree (A.A., A.S., etc.)</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>Some college/university study without earning ...</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>Secondary school (e.g. American high school, G...</td>\n",
       "      <td>Some college/university study without earning ...</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "      <td>...</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>Some college/university study without earning ...</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>Some college/university study without earning ...</td>\n",
       "      <td>Master’s degree (M.A., M.S., M.Eng., MBA, etc.)</td>\n",
       "      <td>Bachelor’s degree (B.A., B.S., B.Eng., etc.)</td>\n",
       "      <td>Other doctoral degree (Ph.D., Ed.D., etc.)</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Some college/university study without earning ...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Employment</th>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Student</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>...</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Not employed, but looking for work</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Employed full-time</td>\n",
       "      <td>Employed full-time</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Ethnicity</th>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>...</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>NaN</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>White or of European descent</td>\n",
       "      <td>Middle Eastern</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Black or of African descent</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Gender</th>\n",
       "      <td>Man</td>\n",
       "      <td>Man</td>\n",
       "      <td>Man</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Man</td>\n",
       "      <td>Man</td>\n",
       "      <td>Man</td>\n",
       "      <td>Man</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Man</td>\n",
       "      <td>...</td>\n",
       "      <td>Woman</td>\n",
       "      <td>Man</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Man</td>\n",
       "      <td>Man</td>\n",
       "      <td>Man</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Man</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>JobFactors</th>\n",
       "      <td>Industry that I’d be working in;Flex time or a...</td>\n",
       "      <td>Industry that I’d be working in;Flex time or a...</td>\n",
       "      <td>Industry that I’d be working in;Languages, fra...</td>\n",
       "      <td>Languages, frameworks, and other technologies ...</td>\n",
       "      <td>Industry that I’d be working in;Flex time or a...</td>\n",
       "      <td>Flex time or a flexible schedule;Remote work o...</td>\n",
       "      <td>Flex time or a flexible schedule;Languages, fr...</td>\n",
       "      <td>Flex time or a flexible schedule;Languages, fr...</td>\n",
       "      <td>Languages, frameworks, and other technologies ...</td>\n",
       "      <td>Languages, frameworks, and other technologies ...</td>\n",
       "      <td>...</td>\n",
       "      <td>Flex time or a flexible schedule;Office enviro...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Flex time or a flexible schedule;Remote work o...</td>\n",
       "      <td>Flex time or a flexible schedule;Languages, fr...</td>\n",
       "      <td>Flex time or a flexible schedule;Languages, fr...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Languages, frameworks, and other technologies ...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>JobSat</th>\n",
       "      <td>Neither satisfied nor dissatisfied</td>\n",
       "      <td>Very dissatisfied</td>\n",
       "      <td>Very satisfied</td>\n",
       "      <td>Slightly satisfied</td>\n",
       "      <td>Slightly satisfied</td>\n",
       "      <td>Neither satisfied nor dissatisfied</td>\n",
       "      <td>Very satisfied</td>\n",
       "      <td>Very satisfied</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Slightly satisfied</td>\n",
       "      <td>...</td>\n",
       "      <td>Very satisfied</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Slightly satisfied</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Very satisfied</td>\n",
       "      <td>Very satisfied</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Slightly satisfied</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>JobSeek</th>\n",
       "      <td>I’m not actively looking, but I am open to new...</td>\n",
       "      <td>I’m not actively looking, but I am open to new...</td>\n",
       "      <td>I’m not actively looking, but I am open to new...</td>\n",
       "      <td>I’m not actively looking, but I am open to new...</td>\n",
       "      <td>I’m not actively looking, but I am open to new...</td>\n",
       "      <td>I’m not actively looking, but I am open to new...</td>\n",
       "      <td>I’m not actively looking, but I am open to new...</td>\n",
       "      <td>I am not interested in new job opportunities</td>\n",
       "      <td>I am actively looking for a job</td>\n",
       "      <td>I’m not actively looking, but I am open to new...</td>\n",
       "      <td>...</td>\n",
       "      <td>I am not interested in new job opportunities</td>\n",
       "      <td>NaN</td>\n",
       "      <td>I’m not actively looking, but I am open to new...</td>\n",
       "      <td>I am actively looking for a job</td>\n",
       "      <td>I’m not actively looking, but I am open to new...</td>\n",
       "      <td>I’m not actively looking, but I am open to new...</td>\n",
       "      <td>I am not interested in new job opportunities</td>\n",
       "      <td>NaN</td>\n",
       "      <td>I am actively looking for a job</td>\n",
       "      <td>I’m not actively looking, but I am open to new...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>LanguageDesireNextYear</th>\n",
       "      <td>C;C#;C++</td>\n",
       "      <td>Objective-C;Swift</td>\n",
       "      <td>C#;Haskell;Rust;SQL;TypeScript</td>\n",
       "      <td>Go;Kotlin</td>\n",
       "      <td>Go;Julia</td>\n",
       "      <td>C#;HTML/CSS;JavaScript;SQL</td>\n",
       "      <td>C#;HTML/CSS;JavaScript;SQL;TypeScript</td>\n",
       "      <td>Go;Haskell;Rust</td>\n",
       "      <td>Bash/Shell/PowerShell;C;C#;C++;Go;HTML/CSS;Jav...</td>\n",
       "      <td>Rust;Swift</td>\n",
       "      <td>...</td>\n",
       "      <td>Bash/Shell/PowerShell;C#;Python;SQL;TypeScript</td>\n",
       "      <td>Assembly;Bash/Shell/PowerShell;C;Dart;Go;Haske...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Go;HTML/CSS;JavaScript;Python;SQL;TypeScript</td>\n",
       "      <td>C#;C++</td>\n",
       "      <td>Dart;HTML/CSS;JavaScript;TypeScript</td>\n",
       "      <td>HTML/CSS;Java;JavaScript;Python;Rust;SQL;TypeS...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Dart;HTML/CSS;JavaScript;PHP;TypeScript</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>LanguageWorkedWith</th>\n",
       "      <td>C;C#;C++;JavaScript;PHP;Python</td>\n",
       "      <td>Objective-C;Swift</td>\n",
       "      <td>C#;Haskell;HTML/CSS;JavaScript;PHP;Rust;SQL;Ty...</td>\n",
       "      <td>C#;Python;VBA</td>\n",
       "      <td>PHP;Python;Scala</td>\n",
       "      <td>HTML/CSS;JavaScript;SQL</td>\n",
       "      <td>Bash/Shell/PowerShell;C#;HTML/CSS;JavaScript;S...</td>\n",
       "      <td>Bash/Shell/PowerShell;HTML/CSS;JavaScript;Pyth...</td>\n",
       "      <td>HTML/CSS;Java;JavaScript;SQL</td>\n",
       "      <td>Go;JavaScript;TypeScript</td>\n",
       "      <td>...</td>\n",
       "      <td>Bash/Shell/PowerShell;C#;HTML/CSS;JavaScript;R...</td>\n",
       "      <td>C;C++;Dart;HTML/CSS;Java;JavaScript;Python;Rub...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Bash/Shell/PowerShell;HTML/CSS;Java;JavaScript...</td>\n",
       "      <td>C#;C++;HTML/CSS;Python</td>\n",
       "      <td>C;Dart;HTML/CSS;JavaScript;PHP</td>\n",
       "      <td>Bash/Shell/PowerShell;HTML/CSS;Java;JavaScript...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>HTML/CSS;JavaScript;PHP;TypeScript</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>MiscTechDesireNextYear</th>\n",
       "      <td>.NET</td>\n",
       "      <td>NaN</td>\n",
       "      <td>.NET Core</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>.NET;Node.js;Xamarin</td>\n",
       "      <td>.NET Core;Node.js;Xamarin</td>\n",
       "      <td>Chef;Pandas;TensorFlow</td>\n",
       "      <td>.NET;.NET Core;Ansible;Chef;Node.js;Puppet;Rea...</td>\n",
       "      <td>Ansible;Node.js;React Native;TensorFlow;Terafo...</td>\n",
       "      <td>...</td>\n",
       "      <td>.NET;.NET Core;Node.js;React Native;Unity 3D</td>\n",
       "      <td>Ansible;Flutter;Keras;Node.js;Pandas;Puppet;Re...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Node.js</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Flutter;Node.js;React Native</td>\n",
       "      <td>Apache Spark;Node.js;Pandas;TensorFlow</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Cordova;Flutter</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>MiscTechWorkedWith</th>\n",
       "      <td>.NET</td>\n",
       "      <td>NaN</td>\n",
       "      <td>.NET Core</td>\n",
       "      <td>.NET;.NET Core</td>\n",
       "      <td>Apache Spark;Hadoop;Pandas</td>\n",
       "      <td>.NET;Xamarin</td>\n",
       "      <td>.NET Core;Node.js;Xamarin</td>\n",
       "      <td>.NET;.NET Core;Ansible;Cordova;Flutter;Node.js...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Node.js;React Native;Unity 3D</td>\n",
       "      <td>...</td>\n",
       "      <td>.NET;.NET Core;Node.js;Unity 3D</td>\n",
       "      <td>Flutter;Node.js</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Ansible;Node.js;TensorFlow</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Cordova;Flutter;Node.js;React Native</td>\n",
       "      <td>Apache Spark;Node.js;Pandas;TensorFlow</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>NEWCollabToolsDesireNextYear</th>\n",
       "      <td>NaN</td>\n",
       "      <td>Jira;Slack;Google Suite (Docs, Meet, etc)</td>\n",
       "      <td>Github;Gitlab</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Jira;Microsoft Teams;Microsoft Azure</td>\n",
       "      <td>Confluence;Slack;Microsoft Azure</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Github;Slack;Google Suite (Docs, Meet, etc)</td>\n",
       "      <td>Github;Gitlab;Slack;Trello;Google Suite (Docs,...</td>\n",
       "      <td>...</td>\n",
       "      <td>Jira;Github;Slack;Google Suite (Docs, Meet, etc)</td>\n",
       "      <td>Github;Slack;Trello</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Github;Gitlab;Google Suite (Docs, Meet, etc)</td>\n",
       "      <td>Jira;Github;Gitlab</td>\n",
       "      <td>Jira;Github;Gitlab;Slack</td>\n",
       "      <td>Jira;Slack</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Github</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>NEWCollabToolsWorkedWith</th>\n",
       "      <td>NaN</td>\n",
       "      <td>Jira;Slack;Google Suite (Docs, Meet, etc)</td>\n",
       "      <td>Jira;Github;Gitlab;Slack</td>\n",
       "      <td>Github</td>\n",
       "      <td>Confluence;Jira;Github;Gitlab;Slack;Google Sui...</td>\n",
       "      <td>Jira;Microsoft Azure</td>\n",
       "      <td>Confluence;Jira;Slack;Microsoft Azure</td>\n",
       "      <td>Confluence;Jira;Github;Gitlab;Slack;Microsoft ...</td>\n",
       "      <td>Confluence;Jira;Github;Slack;Trello;Google Sui...</td>\n",
       "      <td>Confluence;Jira;Github;Gitlab;Slack;Trello;Goo...</td>\n",
       "      <td>...</td>\n",
       "      <td>Jira;Github;Slack;Trello;Google Suite (Docs, M...</td>\n",
       "      <td>Github;Gitlab;Slack;Trello</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Github;Slack;Google Suite (Docs, Meet, etc)</td>\n",
       "      <td>Github;Gitlab;Microsoft Teams</td>\n",
       "      <td>Jira;Github;Gitlab;Slack</td>\n",
       "      <td>Jira;Github;Slack;Google Suite (Docs, Meet, etc)</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Github</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>NEWDevOps</th>\n",
       "      <td>Not sure</td>\n",
       "      <td>Not sure</td>\n",
       "      <td>No</td>\n",
       "      <td>No</td>\n",
       "      <td>Yes</td>\n",
       "      <td>No</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Yes</td>\n",
       "      <td>...</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>No</td>\n",
       "      <td>Yes</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>No</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>NEWDevOpsImpt</th>\n",
       "      <td>Extremely important</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Extremely important</td>\n",
       "      <td>Somewhat important</td>\n",
       "      <td>Extremely important</td>\n",
       "      <td>Extremely important</td>\n",
       "      <td>Extremely important</td>\n",
       "      <td>Extremely important</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Somewhat important</td>\n",
       "      <td>...</td>\n",
       "      <td>Somewhat important</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Somewhat important</td>\n",
       "      <td>Somewhat important</td>\n",
       "      <td>Neutral</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Neutral</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>NEWEdImpt</th>\n",
       "      <td>Critically important</td>\n",
       "      <td>Very important</td>\n",
       "      <td>Somewhat important</td>\n",
       "      <td>Very important</td>\n",
       "      <td>Critically important</td>\n",
       "      <td>Not at all important/not necessary</td>\n",
       "      <td>Somewhat important</td>\n",
       "      <td>Fairly important</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Fairly important</td>\n",
       "      <td>...</td>\n",
       "      <td>Somewhat important</td>\n",
       "      <td>Somewhat important</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Fairly important</td>\n",
       "      <td>Somewhat important</td>\n",
       "      <td>Fairly important</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Not at all important/not necessary</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>NEWJobHunt</th>\n",
       "      <td>Wanting to share accomplishments with a wider ...</td>\n",
       "      <td>Having a bad day (or week or month) at work;Be...</td>\n",
       "      <td>Curious about other opportunities;Better compe...</td>\n",
       "      <td>Wanting to work with new technologies;Growth o...</td>\n",
       "      <td>Curious about other opportunities;Better compe...</td>\n",
       "      <td>Just because;Curious about other opportunities...</td>\n",
       "      <td>Better compensation;Looking to relocate</td>\n",
       "      <td>Curious about other opportunities;Trouble with...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Curious about other opportunities;Better compe...</td>\n",
       "      <td>...</td>\n",
       "      <td>Curious about other opportunities;Better compe...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Curious about other opportunities;Better compe...</td>\n",
       "      <td>Just because;Wanting to share accomplishments ...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Better compensation;Better work/life balance;W...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>NEWJobHuntResearch</th>\n",
       "      <td>Read company media, such as employee blogs or ...</td>\n",
       "      <td>Read company media, such as employee blogs or ...</td>\n",
       "      <td>Read company media, such as employee blogs or ...</td>\n",
       "      <td>Read company media, such as employee blogs or ...</td>\n",
       "      <td>Read company media, such as employee blogs or ...</td>\n",
       "      <td>Read company media, such as employee blogs or ...</td>\n",
       "      <td>Company reviews from third party sites (e.g. G...</td>\n",
       "      <td>Personal network - friends or family</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>Read company media, such as employee blogs or ...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Company reviews from third party sites (e.g. G...</td>\n",
       "      <td>Read company media, such as employee blogs or ...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Read company media, such as employee blogs or ...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>NEWLearn</th>\n",
       "      <td>Every few months</td>\n",
       "      <td>Once every few years</td>\n",
       "      <td>Once a year</td>\n",
       "      <td>Once a year</td>\n",
       "      <td>Once a year</td>\n",
       "      <td>Once a decade</td>\n",
       "      <td>Once a year</td>\n",
       "      <td>Once a year</td>\n",
       "      <td>Once a year</td>\n",
       "      <td>Once a year</td>\n",
       "      <td>...</td>\n",
       "      <td>Every few months</td>\n",
       "      <td>Once a year</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Once every few years</td>\n",
       "      <td>Once a decade</td>\n",
       "      <td>Every few months</td>\n",
       "      <td>Once a year</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>NEWOffTopic</th>\n",
       "      <td>Not sure</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Yes</td>\n",
       "      <td>No</td>\n",
       "      <td>No</td>\n",
       "      <td>Not sure</td>\n",
       "      <td>Not sure</td>\n",
       "      <td>No</td>\n",
       "      <td>Not sure</td>\n",
       "      <td>No</td>\n",
       "      <td>...</td>\n",
       "      <td>Not sure</td>\n",
       "      <td>Not sure</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Yes</td>\n",
       "      <td>No</td>\n",
       "      <td>Not sure</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Not sure</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>NEWOnboardGood</th>\n",
       "      <td>Onboarding? What onboarding?</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Onboarding? What onboarding?</td>\n",
       "      <td>Yes</td>\n",
       "      <td>No</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>No</td>\n",
       "      <td>...</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>No</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Yes</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>NEWOtherComms</th>\n",
       "      <td>No</td>\n",
       "      <td>No</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>No</td>\n",
       "      <td>No</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>...</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>No</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Yes</td>\n",
       "      <td>No</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>NEWOvertime</th>\n",
       "      <td>Occasionally: 1-2 days per quarter but less th...</td>\n",
       "      <td>Never</td>\n",
       "      <td>Often: 1-2 days per week or more</td>\n",
       "      <td>Sometimes: 1-2 days per month but less than we...</td>\n",
       "      <td>Sometimes: 1-2 days per month but less than we...</td>\n",
       "      <td>Occasionally: 1-2 days per quarter but less th...</td>\n",
       "      <td>Rarely: 1-2 days per year or less</td>\n",
       "      <td>Sometimes: 1-2 days per month but less than we...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Rarely: 1-2 days per year or less</td>\n",
       "      <td>...</td>\n",
       "      <td>Occasionally: 1-2 days per quarter but less th...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Occasionally: 1-2 days per quarter but less th...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Often: 1-2 days per week or more</td>\n",
       "      <td>Sometimes: 1-2 days per month but less than we...</td>\n",
       "      <td>Often: 1-2 days per week or more</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Sometimes: 1-2 days per month but less than we...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>NEWPurchaseResearch</th>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Start a free trial;Visit developer communities...</td>\n",
       "      <td>Start a free trial;Ask developers I know/work ...</td>\n",
       "      <td>Start a free trial;Ask developers I know/work ...</td>\n",
       "      <td>Start a free trial;Visit developer communities...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Start a free trial;Ask developers I know/work ...</td>\n",
       "      <td>Start a free trial;Ask developers I know/work ...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>Start a free trial;Ask developers I know/work ...</td>\n",
       "      <td>Start a free trial;Read ratings or reviews on ...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Start a free trial;Ask developers I know/work ...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Start a free trial;Ask developers I know/work ...</td>\n",
       "      <td>Start a free trial;Ask developers I know/work ...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>NEWPurpleLink</th>\n",
       "      <td>Annoyed</td>\n",
       "      <td>Indifferent</td>\n",
       "      <td>Hello, old friend</td>\n",
       "      <td>Indifferent</td>\n",
       "      <td>Hello, old friend</td>\n",
       "      <td>Hello, old friend</td>\n",
       "      <td>Indifferent</td>\n",
       "      <td>Hello, old friend</td>\n",
       "      <td>Hello, old friend</td>\n",
       "      <td>Annoyed</td>\n",
       "      <td>...</td>\n",
       "      <td>Amused</td>\n",
       "      <td>Hello, old friend</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Indifferent</td>\n",
       "      <td>Hello, old friend</td>\n",
       "      <td>Indifferent</td>\n",
       "      <td>Amused</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Indifferent</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>NEWSOSites</th>\n",
       "      <td>Stack Overflow (public Q&amp;A for anyone who code...</td>\n",
       "      <td>Stack Overflow (public Q&amp;A for anyone who code...</td>\n",
       "      <td>Stack Overflow (public Q&amp;A for anyone who code...</td>\n",
       "      <td>Stack Overflow (public Q&amp;A for anyone who codes)</td>\n",
       "      <td>Stack Overflow (public Q&amp;A for anyone who code...</td>\n",
       "      <td>Stack Overflow (public Q&amp;A for anyone who code...</td>\n",
       "      <td>Stack Overflow (public Q&amp;A for anyone who code...</td>\n",
       "      <td>Stack Overflow (public Q&amp;A for anyone who code...</td>\n",
       "      <td>Stack Overflow (public Q&amp;A for anyone who code...</td>\n",
       "      <td>Stack Overflow (public Q&amp;A for anyone who code...</td>\n",
       "      <td>...</td>\n",
       "      <td>Stack Overflow (public Q&amp;A for anyone who code...</td>\n",
       "      <td>Stack Overflow (public Q&amp;A for anyone who code...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Stack Overflow (public Q&amp;A for anyone who code...</td>\n",
       "      <td>Stack Overflow (public Q&amp;A for anyone who code...</td>\n",
       "      <td>Stack Overflow (public Q&amp;A for anyone who code...</td>\n",
       "      <td>Stack Overflow (public Q&amp;A for anyone who code...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Stack Overflow (public Q&amp;A for anyone who code...</td>\n",
       "      <td>Stack Overflow (public Q&amp;A for anyone who code...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>NEWStuck</th>\n",
       "      <td>Play games</td>\n",
       "      <td>Meditate;Call a coworker or friend;Visit Stack...</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Go for a walk or other physical activity;Visit...</td>\n",
       "      <td>Call a coworker or friend;Go for a walk or oth...</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Visit Stack Overflow;Watch help / tutorial vid...</td>\n",
       "      <td>Play games;Visit Stack Overflow;Go for a walk ...</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Visit Stack Overflow;Watch help / tutorial vid...</td>\n",
       "      <td>...</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Meditate;Visit Stack Overflow;Go for a walk or...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Visit Stack Overflow;Go for a walk or other ph...</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow</td>\n",
       "      <td>Call a coworker or friend;Visit Stack Overflow...</td>\n",
       "      <td>Visit Stack Overflow;Go for a walk or other ph...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Meditate;Visit Stack Overflow;Go for a walk or...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>OpSys</th>\n",
       "      <td>Linux-based</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Windows</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>...</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Windows</td>\n",
       "      <td>NaN</td>\n",
       "      <td>MacOS</td>\n",
       "      <td>Windows</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>Linux-based</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Linux-based</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>OrgSize</th>\n",
       "      <td>100 to 499 employees</td>\n",
       "      <td>20 to 99 employees</td>\n",
       "      <td>20 to 99 employees</td>\n",
       "      <td>5,000 to 9,999 employees</td>\n",
       "      <td>20 to 99 employees</td>\n",
       "      <td>20 to 99 employees</td>\n",
       "      <td>1,000 to 4,999 employees</td>\n",
       "      <td>100 to 499 employees</td>\n",
       "      <td>NaN</td>\n",
       "      <td>20 to 99 employees</td>\n",
       "      <td>...</td>\n",
       "      <td>20 to 99 employees</td>\n",
       "      <td>NaN</td>\n",
       "      <td>100 to 499 employees</td>\n",
       "      <td>NaN</td>\n",
       "      <td>100 to 499 employees</td>\n",
       "      <td>10 to 19 employees</td>\n",
       "      <td>2 to 9 employees</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>100 to 499 employees</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>PlatformDesireNextYear</th>\n",
       "      <td>NaN</td>\n",
       "      <td>iOS</td>\n",
       "      <td>AWS;Docker;Kubernetes;Linux</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Android;AWS;Microsoft Azure;Windows</td>\n",
       "      <td>Docker;Microsoft Azure</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Android;Docker;Linux</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>AWS;Docker;Google Cloud Platform;Heroku;Kubern...</td>\n",
       "      <td>Android;Docker;Heroku;Linux;Windows</td>\n",
       "      <td>NaN</td>\n",
       "      <td>AWS;Docker;Kubernetes;Linux;MacOS;Raspberry Pi</td>\n",
       "      <td>Arduino;Windows</td>\n",
       "      <td>Android;Linux;MacOS</td>\n",
       "      <td>Android;iOS;Linux;MacOS;Raspberry Pi</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Android;Google Cloud Platform;Linux</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>PlatformWorkedWith</th>\n",
       "      <td>NaN</td>\n",
       "      <td>iOS</td>\n",
       "      <td>Arduino;AWS;Docker;Kubernetes;Linux</td>\n",
       "      <td>Windows;WordPress</td>\n",
       "      <td>AWS;Docker;Linux;MacOS;Raspberry Pi</td>\n",
       "      <td>Android;Microsoft Azure;Windows</td>\n",
       "      <td>Docker;Microsoft Azure</td>\n",
       "      <td>AWS;Docker;Google Cloud Platform;Kubernetes;Li...</td>\n",
       "      <td>Docker;Linux;Windows</td>\n",
       "      <td>Android;AWS;Docker;Kubernetes;Linux;MacOS;Slac...</td>\n",
       "      <td>...</td>\n",
       "      <td>AWS;Docker;Google Cloud Platform;Heroku;Linux;...</td>\n",
       "      <td>Android;Docker;Heroku;Linux;Windows</td>\n",
       "      <td>NaN</td>\n",
       "      <td>AWS;Docker;Linux;MacOS;Raspberry Pi</td>\n",
       "      <td>Arduino;Windows</td>\n",
       "      <td>Android;Arduino;Linux;Raspberry Pi</td>\n",
       "      <td>Android;Arduino;AWS;IBM Cloud or Watson;iOS;Li...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Linux</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>PurchaseWhat</th>\n",
       "      <td>I have little or no influence</td>\n",
       "      <td>I have little or no influence</td>\n",
       "      <td>I have some influence</td>\n",
       "      <td>I have some influence</td>\n",
       "      <td>I have some influence</td>\n",
       "      <td>I have some influence</td>\n",
       "      <td>I have little or no influence</td>\n",
       "      <td>I have some influence</td>\n",
       "      <td>NaN</td>\n",
       "      <td>I have little or no influence</td>\n",
       "      <td>...</td>\n",
       "      <td>I have some influence</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>I have little or no influence</td>\n",
       "      <td>I have some influence</td>\n",
       "      <td>I have a great deal of influence</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>I have little or no influence</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Sexuality</th>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>...</td>\n",
       "      <td>Bisexual</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Straight / Heterosexual</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>SOAccount</th>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Not sure/can't remember</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>No</td>\n",
       "      <td>Yes</td>\n",
       "      <td>...</td>\n",
       "      <td>No</td>\n",
       "      <td>Not sure/can't remember</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Yes</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>SOComm</th>\n",
       "      <td>No, not at all</td>\n",
       "      <td>Neutral</td>\n",
       "      <td>No, not really</td>\n",
       "      <td>No, not really</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>No, not really</td>\n",
       "      <td>Neutral</td>\n",
       "      <td>No, not really</td>\n",
       "      <td>No, not really</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>...</td>\n",
       "      <td>No, not at all</td>\n",
       "      <td>No, not at all</td>\n",
       "      <td>NaN</td>\n",
       "      <td>No, not really</td>\n",
       "      <td>Neutral</td>\n",
       "      <td>No, not really</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Yes, definitely</td>\n",
       "      <td>Yes, somewhat</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>SOPartFreq</th>\n",
       "      <td>I have never participated in Q&amp;A on Stack Over...</td>\n",
       "      <td>Less than once per month or monthly</td>\n",
       "      <td>A few times per month or weekly</td>\n",
       "      <td>Less than once per month or monthly</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Less than once per month or monthly</td>\n",
       "      <td>A few times per month or weekly</td>\n",
       "      <td>Less than once per month or monthly</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Less than once per month or monthly</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Less than once per month or monthly</td>\n",
       "      <td>Less than once per month or monthly</td>\n",
       "      <td>Less than once per month or monthly</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>A few times per week</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>SOVisitFreq</th>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>A few times per month or weekly</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>A few times per month or weekly</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>...</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>A few times per week</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Multiple times per day</td>\n",
       "      <td>Daily or almost daily</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>SurveyEase</th>\n",
       "      <td>NaN</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Easy</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Easy</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Easy</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>SurveyLength</th>\n",
       "      <td>NaN</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Too short</td>\n",
       "      <td>Too long</td>\n",
       "      <td>...</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Appropriate in length</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>Trans</th>\n",
       "      <td>No</td>\n",
       "      <td>No</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>No</td>\n",
       "      <td>No</td>\n",
       "      <td>No</td>\n",
       "      <td>No</td>\n",
       "      <td>No</td>\n",
       "      <td>No</td>\n",
       "      <td>...</td>\n",
       "      <td>No</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>No</td>\n",
       "      <td>No</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>No</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>UndergradMajor</th>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>Another engineering discipline (such as civil,...</td>\n",
       "      <td>Another engineering discipline (such as civil,...</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>...</td>\n",
       "      <td>A humanities discipline (such as literature, h...</td>\n",
       "      <td>Another engineering discipline (such as civil,...</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>Another engineering discipline (such as civil,...</td>\n",
       "      <td>Another engineering discipline (such as civil,...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Information systems, information technology, o...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>WebframeDesireNextYear</th>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>ASP.NET Core;React.js</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Angular;ASP.NET</td>\n",
       "      <td>ASP.NET Core;React.js</td>\n",
       "      <td>ASP.NET Core;Vue.js</td>\n",
       "      <td>Angular;Angular.js;React.js;Spring;Vue.js</td>\n",
       "      <td>Angular;Gatsby;React.js;Vue.js</td>\n",
       "      <td>...</td>\n",
       "      <td>ASP.NET;ASP.NET Core;Django;Express;Flask;Reac...</td>\n",
       "      <td>Angular;Django;Express;Flask;React.js;Vue.js</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Django;Flask;React.js</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Express;React.js</td>\n",
       "      <td>Angular;Express;Spring</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Angular;Angular.js;jQuery;Laravel</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>WebframeWorkedWith</th>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>ASP.NET Core;jQuery;Laravel;React.js;Vue.js</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Flask</td>\n",
       "      <td>ASP.NET</td>\n",
       "      <td>ASP.NET Core;React.js</td>\n",
       "      <td>Angular.js;ASP.NET;Django;Express;Flask;jQuery...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Angular;Angular.js;Express;Gatsby;React.js</td>\n",
       "      <td>...</td>\n",
       "      <td>ASP.NET;ASP.NET Core;Django;Express;Flask;Reac...</td>\n",
       "      <td>Angular;Django;Express;Flask;React.js;Vue.js</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Django;Flask;React.js</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Angular;Angular.js;React.js</td>\n",
       "      <td>Angular;Express;Spring</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Angular;Angular.js;jQuery;Laravel</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>WelcomeChange</th>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>A lot less welcome now than last year</td>\n",
       "      <td>Somewhat less welcome now than last year</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>...</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>WorkWeekHrs</th>\n",
       "      <td>45.0</td>\n",
       "      <td>37.0</td>\n",
       "      <td>45.0</td>\n",
       "      <td>40.0</td>\n",
       "      <td>40.0</td>\n",
       "      <td>40.0</td>\n",
       "      <td>38.0</td>\n",
       "      <td>40.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>40.0</td>\n",
       "      <td>...</td>\n",
       "      <td>38.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>40.0</td>\n",
       "      <td>40.0</td>\n",
       "      <td>50.0</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>8.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>YearsCode</th>\n",
       "      <td>23</td>\n",
       "      <td>35</td>\n",
       "      <td>9</td>\n",
       "      <td>39</td>\n",
       "      <td>10</td>\n",
       "      <td>37</td>\n",
       "      <td>9</td>\n",
       "      <td>13</td>\n",
       "      <td>6</td>\n",
       "      <td>13</td>\n",
       "      <td>...</td>\n",
       "      <td>20</td>\n",
       "      <td>5</td>\n",
       "      <td>3</td>\n",
       "      <td>24</td>\n",
       "      <td>18</td>\n",
       "      <td>10</td>\n",
       "      <td>41</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>8</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>YearsCodePro</th>\n",
       "      <td>15</td>\n",
       "      <td>22</td>\n",
       "      <td>5</td>\n",
       "      <td>29</td>\n",
       "      <td>3</td>\n",
       "      <td>14</td>\n",
       "      <td>6</td>\n",
       "      <td>18</td>\n",
       "      <td>NaN</td>\n",
       "      <td>10</td>\n",
       "      <td>...</td>\n",
       "      <td>Less than 1 year</td>\n",
       "      <td>NaN</td>\n",
       "      <td>2</td>\n",
       "      <td>NaN</td>\n",
       "      <td>7</td>\n",
       "      <td>3</td>\n",
       "      <td>24</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>5</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>60 rows × 1000 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                                                                          20900  \\\n",
       "MainBranch                                       I am a developer by profession   \n",
       "Hobbyist                                                                    Yes   \n",
       "Age                                                                         NaN   \n",
       "Age1stCode                                                                   10   \n",
       "CompFreq                                                                Monthly   \n",
       "CompTotal                                                                8000.0   \n",
       "ConvertedComp                                                           53040.0   \n",
       "Country                                                                Bulgaria   \n",
       "CurrencyDesc                                                      Bulgarian lev   \n",
       "CurrencySymbol                                                              BGN   \n",
       "DatabaseDesireNextYear                                          Cassandra;Redis   \n",
       "DatabaseWorkedWith                                Cassandra;MariaDB;MySQL;Redis   \n",
       "DevType                       Academic researcher;Developer, back-end;Develo...   \n",
       "EdLevel                         Master’s degree (M.A., M.S., M.Eng., MBA, etc.)   \n",
       "Employment                                                   Employed full-time   \n",
       "Ethnicity                                          White or of European descent   \n",
       "Gender                                                                      Man   \n",
       "JobFactors                    Industry that I’d be working in;Flex time or a...   \n",
       "JobSat                                       Neither satisfied nor dissatisfied   \n",
       "JobSeek                       I’m not actively looking, but I am open to new...   \n",
       "LanguageDesireNextYear                                                 C;C#;C++   \n",
       "LanguageWorkedWith                               C;C#;C++;JavaScript;PHP;Python   \n",
       "MiscTechDesireNextYear                                                     .NET   \n",
       "MiscTechWorkedWith                                                         .NET   \n",
       "NEWCollabToolsDesireNextYear                                                NaN   \n",
       "NEWCollabToolsWorkedWith                                                    NaN   \n",
       "NEWDevOps                                                              Not sure   \n",
       "NEWDevOpsImpt                                               Extremely important   \n",
       "NEWEdImpt                                                  Critically important   \n",
       "NEWJobHunt                    Wanting to share accomplishments with a wider ...   \n",
       "NEWJobHuntResearch            Read company media, such as employee blogs or ...   \n",
       "NEWLearn                                                       Every few months   \n",
       "NEWOffTopic                                                            Not sure   \n",
       "NEWOnboardGood                                     Onboarding? What onboarding?   \n",
       "NEWOtherComms                                                                No   \n",
       "NEWOvertime                   Occasionally: 1-2 days per quarter but less th...   \n",
       "NEWPurchaseResearch                                                         NaN   \n",
       "NEWPurpleLink                                                           Annoyed   \n",
       "NEWSOSites                    Stack Overflow (public Q&A for anyone who code...   \n",
       "NEWStuck                                                             Play games   \n",
       "OpSys                                                               Linux-based   \n",
       "OrgSize                                                    100 to 499 employees   \n",
       "PlatformDesireNextYear                                                      NaN   \n",
       "PlatformWorkedWith                                                          NaN   \n",
       "PurchaseWhat                                      I have little or no influence   \n",
       "Sexuality                                                                   NaN   \n",
       "SOAccount                                                                   Yes   \n",
       "SOComm                                                           No, not at all   \n",
       "SOPartFreq                    I have never participated in Q&A on Stack Over...   \n",
       "SOVisitFreq                                                A few times per week   \n",
       "SurveyEase                                                                  NaN   \n",
       "SurveyLength                                                                NaN   \n",
       "Trans                                                                        No   \n",
       "UndergradMajor                Computer science, computer engineering, or sof...   \n",
       "WebframeDesireNextYear                                                      NaN   \n",
       "WebframeWorkedWith                                                          NaN   \n",
       "WelcomeChange                           Just as welcome now as I felt last year   \n",
       "WorkWeekHrs                                                                45.0   \n",
       "YearsCode                                                                    23   \n",
       "YearsCodePro                                                                 15   \n",
       "\n",
       "                                                                          28235  \\\n",
       "MainBranch                                       I am a developer by profession   \n",
       "Hobbyist                                                                     No   \n",
       "Age                                                                        45.0   \n",
       "Age1stCode                                                                   10   \n",
       "CompFreq                                                                Monthly   \n",
       "CompTotal                                                              670000.0   \n",
       "ConvertedComp                                                          867480.0   \n",
       "Country                                                                  Norway   \n",
       "CurrencyDesc                                                    Norwegian krone   \n",
       "CurrencySymbol                                                              NOK   \n",
       "DatabaseDesireNextYear                                                      NaN   \n",
       "DatabaseWorkedWith                                                          NaN   \n",
       "DevType                                                       Developer, mobile   \n",
       "EdLevel                            Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "Employment                                                   Employed full-time   \n",
       "Ethnicity                                          White or of European descent   \n",
       "Gender                                                                      Man   \n",
       "JobFactors                    Industry that I’d be working in;Flex time or a...   \n",
       "JobSat                                                        Very dissatisfied   \n",
       "JobSeek                       I’m not actively looking, but I am open to new...   \n",
       "LanguageDesireNextYear                                        Objective-C;Swift   \n",
       "LanguageWorkedWith                                            Objective-C;Swift   \n",
       "MiscTechDesireNextYear                                                      NaN   \n",
       "MiscTechWorkedWith                                                          NaN   \n",
       "NEWCollabToolsDesireNextYear          Jira;Slack;Google Suite (Docs, Meet, etc)   \n",
       "NEWCollabToolsWorkedWith              Jira;Slack;Google Suite (Docs, Meet, etc)   \n",
       "NEWDevOps                                                              Not sure   \n",
       "NEWDevOpsImpt                                                               NaN   \n",
       "NEWEdImpt                                                        Very important   \n",
       "NEWJobHunt                    Having a bad day (or week or month) at work;Be...   \n",
       "NEWJobHuntResearch            Read company media, such as employee blogs or ...   \n",
       "NEWLearn                                                   Once every few years   \n",
       "NEWOffTopic                                                                 NaN   \n",
       "NEWOnboardGood                                                              Yes   \n",
       "NEWOtherComms                                                                No   \n",
       "NEWOvertime                                                               Never   \n",
       "NEWPurchaseResearch                                                         NaN   \n",
       "NEWPurpleLink                                                       Indifferent   \n",
       "NEWSOSites                    Stack Overflow (public Q&A for anyone who code...   \n",
       "NEWStuck                      Meditate;Call a coworker or friend;Visit Stack...   \n",
       "OpSys                                                                     MacOS   \n",
       "OrgSize                                                      20 to 99 employees   \n",
       "PlatformDesireNextYear                                                      iOS   \n",
       "PlatformWorkedWith                                                          iOS   \n",
       "PurchaseWhat                                      I have little or no influence   \n",
       "Sexuality                                                                   NaN   \n",
       "SOAccount                                                                   Yes   \n",
       "SOComm                                                                  Neutral   \n",
       "SOPartFreq                                  Less than once per month or monthly   \n",
       "SOVisitFreq                                               Daily or almost daily   \n",
       "SurveyEase                                                                 Easy   \n",
       "SurveyLength                                              Appropriate in length   \n",
       "Trans                                                                        No   \n",
       "UndergradMajor                Computer science, computer engineering, or sof...   \n",
       "WebframeDesireNextYear                                                      NaN   \n",
       "WebframeWorkedWith                                                          NaN   \n",
       "WelcomeChange                           Just as welcome now as I felt last year   \n",
       "WorkWeekHrs                                                                37.0   \n",
       "YearsCode                                                                    35   \n",
       "YearsCodePro                                                                 22   \n",
       "\n",
       "                                                                          26082  \\\n",
       "MainBranch                                       I am a developer by profession   \n",
       "Hobbyist                                                                    Yes   \n",
       "Age                                                                        23.0   \n",
       "Age1stCode                                                                   14   \n",
       "CompFreq                                                                 Yearly   \n",
       "CompTotal                                                               65000.0   \n",
       "ConvertedComp                                                           65000.0   \n",
       "Country                                                           United States   \n",
       "CurrencyDesc                                               United States dollar   \n",
       "CurrencySymbol                                                              USD   \n",
       "DatabaseDesireNextYear                          Microsoft SQL Server;PostgreSQL   \n",
       "DatabaseWorkedWith                 Microsoft SQL Server;MySQL;PostgreSQL;SQLite   \n",
       "DevType                                                   Developer, full-stack   \n",
       "EdLevel                                     Associate degree (A.A., A.S., etc.)   \n",
       "Employment                                                   Employed full-time   \n",
       "Ethnicity                                          White or of European descent   \n",
       "Gender                                                                      Man   \n",
       "JobFactors                    Industry that I’d be working in;Languages, fra...   \n",
       "JobSat                                                           Very satisfied   \n",
       "JobSeek                       I’m not actively looking, but I am open to new...   \n",
       "LanguageDesireNextYear                           C#;Haskell;Rust;SQL;TypeScript   \n",
       "LanguageWorkedWith            C#;Haskell;HTML/CSS;JavaScript;PHP;Rust;SQL;Ty...   \n",
       "MiscTechDesireNextYear                                                .NET Core   \n",
       "MiscTechWorkedWith                                                    .NET Core   \n",
       "NEWCollabToolsDesireNextYear                                      Github;Gitlab   \n",
       "NEWCollabToolsWorkedWith                               Jira;Github;Gitlab;Slack   \n",
       "NEWDevOps                                                                    No   \n",
       "NEWDevOpsImpt                                               Extremely important   \n",
       "NEWEdImpt                                                    Somewhat important   \n",
       "NEWJobHunt                    Curious about other opportunities;Better compe...   \n",
       "NEWJobHuntResearch            Read company media, such as employee blogs or ...   \n",
       "NEWLearn                                                            Once a year   \n",
       "NEWOffTopic                                                                 Yes   \n",
       "NEWOnboardGood                                     Onboarding? What onboarding?   \n",
       "NEWOtherComms                                                               Yes   \n",
       "NEWOvertime                                    Often: 1-2 days per week or more   \n",
       "NEWPurchaseResearch           Start a free trial;Visit developer communities...   \n",
       "NEWPurpleLink                                                 Hello, old friend   \n",
       "NEWSOSites                    Stack Overflow (public Q&A for anyone who code...   \n",
       "NEWStuck                      Call a coworker or friend;Visit Stack Overflow...   \n",
       "OpSys                                                               Linux-based   \n",
       "OrgSize                                                      20 to 99 employees   \n",
       "PlatformDesireNextYear                              AWS;Docker;Kubernetes;Linux   \n",
       "PlatformWorkedWith                          Arduino;AWS;Docker;Kubernetes;Linux   \n",
       "PurchaseWhat                                              I have some influence   \n",
       "Sexuality                                               Straight / Heterosexual   \n",
       "SOAccount                                                                   Yes   \n",
       "SOComm                                                           No, not really   \n",
       "SOPartFreq                                      A few times per month or weekly   \n",
       "SOVisitFreq                                              Multiple times per day   \n",
       "SurveyEase                                                                 Easy   \n",
       "SurveyLength                                              Appropriate in length   \n",
       "Trans                                                                        No   \n",
       "UndergradMajor                Computer science, computer engineering, or sof...   \n",
       "WebframeDesireNextYear                                    ASP.NET Core;React.js   \n",
       "WebframeWorkedWith                  ASP.NET Core;jQuery;Laravel;React.js;Vue.js   \n",
       "WelcomeChange                             A lot less welcome now than last year   \n",
       "WorkWeekHrs                                                                45.0   \n",
       "YearsCode                                                                     9   \n",
       "YearsCodePro                                                                  5   \n",
       "\n",
       "                                                                          19890  \\\n",
       "MainBranch                                       I am a developer by profession   \n",
       "Hobbyist                                                                    Yes   \n",
       "Age                                                                        61.0   \n",
       "Age1stCode                                                                   21   \n",
       "CompFreq                                                                    NaN   \n",
       "CompTotal                                                                   NaN   \n",
       "ConvertedComp                                                               NaN   \n",
       "Country                                                                  Canada   \n",
       "CurrencyDesc                                                    Canadian dollar   \n",
       "CurrencySymbol                                                              CAD   \n",
       "DatabaseDesireNextYear                                                      NaN   \n",
       "DatabaseWorkedWith                                         Microsoft SQL Server   \n",
       "DevType                       Designer;Developer, desktop or enterprise appl...   \n",
       "EdLevel                                     Associate degree (A.A., A.S., etc.)   \n",
       "Employment                                                   Employed full-time   \n",
       "Ethnicity                                                                   NaN   \n",
       "Gender                                                                      NaN   \n",
       "JobFactors                    Languages, frameworks, and other technologies ...   \n",
       "JobSat                                                       Slightly satisfied   \n",
       "JobSeek                       I’m not actively looking, but I am open to new...   \n",
       "LanguageDesireNextYear                                                Go;Kotlin   \n",
       "LanguageWorkedWith                                                C#;Python;VBA   \n",
       "MiscTechDesireNextYear                                                      NaN   \n",
       "MiscTechWorkedWith                                               .NET;.NET Core   \n",
       "NEWCollabToolsDesireNextYear                                                NaN   \n",
       "NEWCollabToolsWorkedWith                                                 Github   \n",
       "NEWDevOps                                                                    No   \n",
       "NEWDevOpsImpt                                                Somewhat important   \n",
       "NEWEdImpt                                                        Very important   \n",
       "NEWJobHunt                    Wanting to work with new technologies;Growth o...   \n",
       "NEWJobHuntResearch            Read company media, such as employee blogs or ...   \n",
       "NEWLearn                                                            Once a year   \n",
       "NEWOffTopic                                                                  No   \n",
       "NEWOnboardGood                                                              Yes   \n",
       "NEWOtherComms                                                               Yes   \n",
       "NEWOvertime                   Sometimes: 1-2 days per month but less than we...   \n",
       "NEWPurchaseResearch           Start a free trial;Ask developers I know/work ...   \n",
       "NEWPurpleLink                                                       Indifferent   \n",
       "NEWSOSites                     Stack Overflow (public Q&A for anyone who codes)   \n",
       "NEWStuck                      Go for a walk or other physical activity;Visit...   \n",
       "OpSys                                                                   Windows   \n",
       "OrgSize                                                5,000 to 9,999 employees   \n",
       "PlatformDesireNextYear                                                      NaN   \n",
       "PlatformWorkedWith                                            Windows;WordPress   \n",
       "PurchaseWhat                                              I have some influence   \n",
       "Sexuality                                                                   NaN   \n",
       "SOAccount                                                                   Yes   \n",
       "SOComm                                                           No, not really   \n",
       "SOPartFreq                                  Less than once per month or monthly   \n",
       "SOVisitFreq                                     A few times per month or weekly   \n",
       "SurveyEase                                                                 Easy   \n",
       "SurveyLength                                              Appropriate in length   \n",
       "Trans                                                                       NaN   \n",
       "UndergradMajor                Another engineering discipline (such as civil,...   \n",
       "WebframeDesireNextYear                                                      NaN   \n",
       "WebframeWorkedWith                                                          NaN   \n",
       "WelcomeChange                          Somewhat less welcome now than last year   \n",
       "WorkWeekHrs                                                                40.0   \n",
       "YearsCode                                                                    39   \n",
       "YearsCodePro                                                                 29   \n",
       "\n",
       "                                                                          16393  \\\n",
       "MainBranch                                       I am a developer by profession   \n",
       "Hobbyist                                                                    Yes   \n",
       "Age                                                                        25.0   \n",
       "Age1stCode                                                                   15   \n",
       "CompFreq                                                                 Weekly   \n",
       "CompTotal                                                                   NaN   \n",
       "ConvertedComp                                                               NaN   \n",
       "Country                                                                 Uruguay   \n",
       "CurrencyDesc                                                     Uruguayan peso   \n",
       "CurrencySymbol                                                              UYU   \n",
       "DatabaseDesireNextYear                                                      NaN   \n",
       "DatabaseWorkedWith                                    Elasticsearch;MySQL;Redis   \n",
       "DevType                       Data scientist or machine learning specialist;...   \n",
       "EdLevel                            Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "Employment                                                   Employed full-time   \n",
       "Ethnicity                                                                   NaN   \n",
       "Gender                                                                      Man   \n",
       "JobFactors                    Industry that I’d be working in;Flex time or a...   \n",
       "JobSat                                                       Slightly satisfied   \n",
       "JobSeek                       I’m not actively looking, but I am open to new...   \n",
       "LanguageDesireNextYear                                                 Go;Julia   \n",
       "LanguageWorkedWith                                             PHP;Python;Scala   \n",
       "MiscTechDesireNextYear                                                      NaN   \n",
       "MiscTechWorkedWith                                   Apache Spark;Hadoop;Pandas   \n",
       "NEWCollabToolsDesireNextYear                                                NaN   \n",
       "NEWCollabToolsWorkedWith      Confluence;Jira;Github;Gitlab;Slack;Google Sui...   \n",
       "NEWDevOps                                                                   Yes   \n",
       "NEWDevOpsImpt                                               Extremely important   \n",
       "NEWEdImpt                                                  Critically important   \n",
       "NEWJobHunt                    Curious about other opportunities;Better compe...   \n",
       "NEWJobHuntResearch            Read company media, such as employee blogs or ...   \n",
       "NEWLearn                                                            Once a year   \n",
       "NEWOffTopic                                                                  No   \n",
       "NEWOnboardGood                                                               No   \n",
       "NEWOtherComms                                                               Yes   \n",
       "NEWOvertime                   Sometimes: 1-2 days per month but less than we...   \n",
       "NEWPurchaseResearch           Start a free trial;Ask developers I know/work ...   \n",
       "NEWPurpleLink                                                 Hello, old friend   \n",
       "NEWSOSites                    Stack Overflow (public Q&A for anyone who code...   \n",
       "NEWStuck                      Call a coworker or friend;Go for a walk or oth...   \n",
       "OpSys                                                                     MacOS   \n",
       "OrgSize                                                      20 to 99 employees   \n",
       "PlatformDesireNextYear                                                      NaN   \n",
       "PlatformWorkedWith                          AWS;Docker;Linux;MacOS;Raspberry Pi   \n",
       "PurchaseWhat                                              I have some influence   \n",
       "Sexuality                                               Straight / Heterosexual   \n",
       "SOAccount                                               Not sure/can't remember   \n",
       "SOComm                                                            Yes, somewhat   \n",
       "SOPartFreq                                                                  NaN   \n",
       "SOVisitFreq                                               Daily or almost daily   \n",
       "SurveyEase                                                                 Easy   \n",
       "SurveyLength                                              Appropriate in length   \n",
       "Trans                                                                        No   \n",
       "UndergradMajor                Another engineering discipline (such as civil,...   \n",
       "WebframeDesireNextYear                                                      NaN   \n",
       "WebframeWorkedWith                                                        Flask   \n",
       "WelcomeChange                           Just as welcome now as I felt last year   \n",
       "WorkWeekHrs                                                                40.0   \n",
       "YearsCode                                                                    10   \n",
       "YearsCodePro                                                                  3   \n",
       "\n",
       "                                                                          46721  \\\n",
       "MainBranch                                       I am a developer by profession   \n",
       "Hobbyist                                                                     No   \n",
       "Age                                                                        48.0   \n",
       "Age1stCode                                                                   11   \n",
       "CompFreq                                                                 Yearly   \n",
       "CompTotal                                                              130000.0   \n",
       "ConvertedComp                                                           83057.0   \n",
       "Country                                                             New Zealand   \n",
       "CurrencyDesc                                                 New Zealand dollar   \n",
       "CurrencySymbol                                                              NZD   \n",
       "DatabaseDesireNextYear                      Microsoft SQL Server;MongoDB;SQLite   \n",
       "DatabaseWorkedWith                                  Microsoft SQL Server;SQLite   \n",
       "DevType                       Data or business analyst;Database administrato...   \n",
       "EdLevel                       Some college/university study without earning ...   \n",
       "Employment                                                   Employed full-time   \n",
       "Ethnicity                                          White or of European descent   \n",
       "Gender                                                                      Man   \n",
       "JobFactors                    Flex time or a flexible schedule;Remote work o...   \n",
       "JobSat                                       Neither satisfied nor dissatisfied   \n",
       "JobSeek                       I’m not actively looking, but I am open to new...   \n",
       "LanguageDesireNextYear                               C#;HTML/CSS;JavaScript;SQL   \n",
       "LanguageWorkedWith                                      HTML/CSS;JavaScript;SQL   \n",
       "MiscTechDesireNextYear                                     .NET;Node.js;Xamarin   \n",
       "MiscTechWorkedWith                                                 .NET;Xamarin   \n",
       "NEWCollabToolsDesireNextYear               Jira;Microsoft Teams;Microsoft Azure   \n",
       "NEWCollabToolsWorkedWith                                   Jira;Microsoft Azure   \n",
       "NEWDevOps                                                                    No   \n",
       "NEWDevOpsImpt                                               Extremely important   \n",
       "NEWEdImpt                                    Not at all important/not necessary   \n",
       "NEWJobHunt                    Just because;Curious about other opportunities...   \n",
       "NEWJobHuntResearch            Read company media, such as employee blogs or ...   \n",
       "NEWLearn                                                          Once a decade   \n",
       "NEWOffTopic                                                            Not sure   \n",
       "NEWOnboardGood                                                              Yes   \n",
       "NEWOtherComms                                                                No   \n",
       "NEWOvertime                   Occasionally: 1-2 days per quarter but less th...   \n",
       "NEWPurchaseResearch           Start a free trial;Visit developer communities...   \n",
       "NEWPurpleLink                                                 Hello, old friend   \n",
       "NEWSOSites                    Stack Overflow (public Q&A for anyone who code...   \n",
       "NEWStuck                      Call a coworker or friend;Visit Stack Overflow...   \n",
       "OpSys                                                                   Windows   \n",
       "OrgSize                                                      20 to 99 employees   \n",
       "PlatformDesireNextYear                      Android;AWS;Microsoft Azure;Windows   \n",
       "PlatformWorkedWith                              Android;Microsoft Azure;Windows   \n",
       "PurchaseWhat                                              I have some influence   \n",
       "Sexuality                                               Straight / Heterosexual   \n",
       "SOAccount                                                                   Yes   \n",
       "SOComm                                                           No, not really   \n",
       "SOPartFreq                                  Less than once per month or monthly   \n",
       "SOVisitFreq                                               Daily or almost daily   \n",
       "SurveyEase                                                                 Easy   \n",
       "SurveyLength                                              Appropriate in length   \n",
       "Trans                                                                        No   \n",
       "UndergradMajor                Computer science, computer engineering, or sof...   \n",
       "WebframeDesireNextYear                                          Angular;ASP.NET   \n",
       "WebframeWorkedWith                                                      ASP.NET   \n",
       "WelcomeChange                           Just as welcome now as I felt last year   \n",
       "WorkWeekHrs                                                                40.0   \n",
       "YearsCode                                                                    37   \n",
       "YearsCodePro                                                                 14   \n",
       "\n",
       "                                                                          26832  \\\n",
       "MainBranch                                       I am a developer by profession   \n",
       "Hobbyist                                                                    Yes   \n",
       "Age                                                                        34.0   \n",
       "Age1stCode                                                                   26   \n",
       "CompFreq                                                                 Yearly   \n",
       "CompTotal                                                               38500.0   \n",
       "ConvertedComp                                                           49765.0   \n",
       "Country                                                          United Kingdom   \n",
       "CurrencyDesc                                                     Pound sterling   \n",
       "CurrencySymbol                                                              GBP   \n",
       "DatabaseDesireNextYear                                     Microsoft SQL Server   \n",
       "DatabaseWorkedWith                                         Microsoft SQL Server   \n",
       "DevType                                                   Developer, full-stack   \n",
       "EdLevel                            Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "Employment                                                   Employed full-time   \n",
       "Ethnicity                                          White or of European descent   \n",
       "Gender                                                                      Man   \n",
       "JobFactors                    Flex time or a flexible schedule;Languages, fr...   \n",
       "JobSat                                                           Very satisfied   \n",
       "JobSeek                       I’m not actively looking, but I am open to new...   \n",
       "LanguageDesireNextYear                    C#;HTML/CSS;JavaScript;SQL;TypeScript   \n",
       "LanguageWorkedWith            Bash/Shell/PowerShell;C#;HTML/CSS;JavaScript;S...   \n",
       "MiscTechDesireNextYear                                .NET Core;Node.js;Xamarin   \n",
       "MiscTechWorkedWith                                    .NET Core;Node.js;Xamarin   \n",
       "NEWCollabToolsDesireNextYear                   Confluence;Slack;Microsoft Azure   \n",
       "NEWCollabToolsWorkedWith                  Confluence;Jira;Slack;Microsoft Azure   \n",
       "NEWDevOps                                                                   Yes   \n",
       "NEWDevOpsImpt                                               Extremely important   \n",
       "NEWEdImpt                                                    Somewhat important   \n",
       "NEWJobHunt                              Better compensation;Looking to relocate   \n",
       "NEWJobHuntResearch            Company reviews from third party sites (e.g. G...   \n",
       "NEWLearn                                                            Once a year   \n",
       "NEWOffTopic                                                            Not sure   \n",
       "NEWOnboardGood                                                              Yes   \n",
       "NEWOtherComms                                                                No   \n",
       "NEWOvertime                                   Rarely: 1-2 days per year or less   \n",
       "NEWPurchaseResearch                                                         NaN   \n",
       "NEWPurpleLink                                                       Indifferent   \n",
       "NEWSOSites                    Stack Overflow (public Q&A for anyone who code...   \n",
       "NEWStuck                      Visit Stack Overflow;Watch help / tutorial vid...   \n",
       "OpSys                                                                   Windows   \n",
       "OrgSize                                                1,000 to 4,999 employees   \n",
       "PlatformDesireNextYear                                   Docker;Microsoft Azure   \n",
       "PlatformWorkedWith                                       Docker;Microsoft Azure   \n",
       "PurchaseWhat                                      I have little or no influence   \n",
       "Sexuality                                               Straight / Heterosexual   \n",
       "SOAccount                                                                   Yes   \n",
       "SOComm                                                                  Neutral   \n",
       "SOPartFreq                                      A few times per month or weekly   \n",
       "SOVisitFreq                                                A few times per week   \n",
       "SurveyEase                                                                 Easy   \n",
       "SurveyLength                                              Appropriate in length   \n",
       "Trans                                                                        No   \n",
       "UndergradMajor                Computer science, computer engineering, or sof...   \n",
       "WebframeDesireNextYear                                    ASP.NET Core;React.js   \n",
       "WebframeWorkedWith                                        ASP.NET Core;React.js   \n",
       "WelcomeChange                           Just as welcome now as I felt last year   \n",
       "WorkWeekHrs                                                                38.0   \n",
       "YearsCode                                                                     9   \n",
       "YearsCodePro                                                                  6   \n",
       "\n",
       "                                                                          35682  \\\n",
       "MainBranch                                       I am a developer by profession   \n",
       "Hobbyist                                                                    Yes   \n",
       "Age                                                                        37.0   \n",
       "Age1stCode                                                                   14   \n",
       "CompFreq                                                                 Yearly   \n",
       "CompTotal                                                              770000.0   \n",
       "ConvertedComp                                                           83079.0   \n",
       "Country                                                                  Norway   \n",
       "CurrencyDesc                                                    Norwegian krone   \n",
       "CurrencySymbol                                                              NOK   \n",
       "DatabaseDesireNextYear                                                Cassandra   \n",
       "DatabaseWorkedWith            Elasticsearch;Firebase;MariaDB;Microsoft SQL S...   \n",
       "DevType                       Developer, back-end;Developer, full-stack;DevO...   \n",
       "EdLevel                       Secondary school (e.g. American high school, G...   \n",
       "Employment                                                   Employed full-time   \n",
       "Ethnicity                                          White or of European descent   \n",
       "Gender                                                                      Man   \n",
       "JobFactors                    Flex time or a flexible schedule;Languages, fr...   \n",
       "JobSat                                                           Very satisfied   \n",
       "JobSeek                            I am not interested in new job opportunities   \n",
       "LanguageDesireNextYear                                          Go;Haskell;Rust   \n",
       "LanguageWorkedWith            Bash/Shell/PowerShell;HTML/CSS;JavaScript;Pyth...   \n",
       "MiscTechDesireNextYear                                   Chef;Pandas;TensorFlow   \n",
       "MiscTechWorkedWith            .NET;.NET Core;Ansible;Cordova;Flutter;Node.js...   \n",
       "NEWCollabToolsDesireNextYear                                                NaN   \n",
       "NEWCollabToolsWorkedWith      Confluence;Jira;Github;Gitlab;Slack;Microsoft ...   \n",
       "NEWDevOps                                                                   Yes   \n",
       "NEWDevOpsImpt                                               Extremely important   \n",
       "NEWEdImpt                                                      Fairly important   \n",
       "NEWJobHunt                    Curious about other opportunities;Trouble with...   \n",
       "NEWJobHuntResearch                         Personal network - friends or family   \n",
       "NEWLearn                                                            Once a year   \n",
       "NEWOffTopic                                                                  No   \n",
       "NEWOnboardGood                                                              Yes   \n",
       "NEWOtherComms                                                               Yes   \n",
       "NEWOvertime                   Sometimes: 1-2 days per month but less than we...   \n",
       "NEWPurchaseResearch           Start a free trial;Ask developers I know/work ...   \n",
       "NEWPurpleLink                                                 Hello, old friend   \n",
       "NEWSOSites                    Stack Overflow (public Q&A for anyone who code...   \n",
       "NEWStuck                      Play games;Visit Stack Overflow;Go for a walk ...   \n",
       "OpSys                                                               Linux-based   \n",
       "OrgSize                                                    100 to 499 employees   \n",
       "PlatformDesireNextYear                                                      NaN   \n",
       "PlatformWorkedWith            AWS;Docker;Google Cloud Platform;Kubernetes;Li...   \n",
       "PurchaseWhat                                              I have some influence   \n",
       "Sexuality                                               Straight / Heterosexual   \n",
       "SOAccount                                                                   Yes   \n",
       "SOComm                                                           No, not really   \n",
       "SOPartFreq                                  Less than once per month or monthly   \n",
       "SOVisitFreq                                               Daily or almost daily   \n",
       "SurveyEase                                                                 Easy   \n",
       "SurveyLength                                              Appropriate in length   \n",
       "Trans                                                                        No   \n",
       "UndergradMajor                                                              NaN   \n",
       "WebframeDesireNextYear                                      ASP.NET Core;Vue.js   \n",
       "WebframeWorkedWith            Angular.js;ASP.NET;Django;Express;Flask;jQuery...   \n",
       "WelcomeChange                           Just as welcome now as I felt last year   \n",
       "WorkWeekHrs                                                                40.0   \n",
       "YearsCode                                                                    13   \n",
       "YearsCodePro                                                                 18   \n",
       "\n",
       "                                                                          43435  \\\n",
       "MainBranch                               I am a student who is learning to code   \n",
       "Hobbyist                                                                    Yes   \n",
       "Age                                                                        23.0   \n",
       "Age1stCode                                                                   12   \n",
       "CompFreq                                                                    NaN   \n",
       "CompTotal                                                                   NaN   \n",
       "ConvertedComp                                                               NaN   \n",
       "Country                                                                 Germany   \n",
       "CurrencyDesc                                                                NaN   \n",
       "CurrencySymbol                                                              NaN   \n",
       "DatabaseDesireNextYear                                                    MySQL   \n",
       "DatabaseWorkedWith                                                        MySQL   \n",
       "DevType                                                                     NaN   \n",
       "EdLevel                       Some college/university study without earning ...   \n",
       "Employment                                                              Student   \n",
       "Ethnicity                                          White or of European descent   \n",
       "Gender                                                                      NaN   \n",
       "JobFactors                    Languages, frameworks, and other technologies ...   \n",
       "JobSat                                                                      NaN   \n",
       "JobSeek                                         I am actively looking for a job   \n",
       "LanguageDesireNextYear        Bash/Shell/PowerShell;C;C#;C++;Go;HTML/CSS;Jav...   \n",
       "LanguageWorkedWith                                 HTML/CSS;Java;JavaScript;SQL   \n",
       "MiscTechDesireNextYear        .NET;.NET Core;Ansible;Chef;Node.js;Puppet;Rea...   \n",
       "MiscTechWorkedWith                                                          NaN   \n",
       "NEWCollabToolsDesireNextYear        Github;Slack;Google Suite (Docs, Meet, etc)   \n",
       "NEWCollabToolsWorkedWith      Confluence;Jira;Github;Slack;Trello;Google Sui...   \n",
       "NEWDevOps                                                                   NaN   \n",
       "NEWDevOpsImpt                                                               NaN   \n",
       "NEWEdImpt                                                                   NaN   \n",
       "NEWJobHunt                                                                  NaN   \n",
       "NEWJobHuntResearch                                                          NaN   \n",
       "NEWLearn                                                            Once a year   \n",
       "NEWOffTopic                                                            Not sure   \n",
       "NEWOnboardGood                                                              NaN   \n",
       "NEWOtherComms                                                               Yes   \n",
       "NEWOvertime                                                                 NaN   \n",
       "NEWPurchaseResearch           Start a free trial;Ask developers I know/work ...   \n",
       "NEWPurpleLink                                                 Hello, old friend   \n",
       "NEWSOSites                    Stack Overflow (public Q&A for anyone who code...   \n",
       "NEWStuck                      Call a coworker or friend;Visit Stack Overflow...   \n",
       "OpSys                                                               Linux-based   \n",
       "OrgSize                                                                     NaN   \n",
       "PlatformDesireNextYear                                     Android;Docker;Linux   \n",
       "PlatformWorkedWith                                         Docker;Linux;Windows   \n",
       "PurchaseWhat                                                                NaN   \n",
       "Sexuality                                                                   NaN   \n",
       "SOAccount                                                                    No   \n",
       "SOComm                                                           No, not really   \n",
       "SOPartFreq                                                                  NaN   \n",
       "SOVisitFreq                                     A few times per month or weekly   \n",
       "SurveyEase                                                                 Easy   \n",
       "SurveyLength                                                          Too short   \n",
       "Trans                                                                        No   \n",
       "UndergradMajor                Computer science, computer engineering, or sof...   \n",
       "WebframeDesireNextYear                Angular;Angular.js;React.js;Spring;Vue.js   \n",
       "WebframeWorkedWith                                                          NaN   \n",
       "WelcomeChange                           Just as welcome now as I felt last year   \n",
       "WorkWeekHrs                                                                 NaN   \n",
       "YearsCode                                                                     6   \n",
       "YearsCodePro                                                                NaN   \n",
       "\n",
       "                                                                          15003  \\\n",
       "MainBranch                                       I am a developer by profession   \n",
       "Hobbyist                                                                    Yes   \n",
       "Age                                                                        29.0   \n",
       "Age1stCode                                                                   12   \n",
       "CompFreq                                                                 Yearly   \n",
       "CompTotal                                                              115000.0   \n",
       "ConvertedComp                                                          115000.0   \n",
       "Country                                                           United States   \n",
       "CurrencyDesc                                               United States dollar   \n",
       "CurrencySymbol                                                              USD   \n",
       "DatabaseDesireNextYear                                                      NaN   \n",
       "DatabaseWorkedWith                           DynamoDB;Firebase;MySQL;PostgreSQL   \n",
       "DevType                                                   Developer, full-stack   \n",
       "EdLevel                         Master’s degree (M.A., M.S., M.Eng., MBA, etc.)   \n",
       "Employment                                                   Employed full-time   \n",
       "Ethnicity                                          White or of European descent   \n",
       "Gender                                                                      Man   \n",
       "JobFactors                    Languages, frameworks, and other technologies ...   \n",
       "JobSat                                                       Slightly satisfied   \n",
       "JobSeek                       I’m not actively looking, but I am open to new...   \n",
       "LanguageDesireNextYear                                               Rust;Swift   \n",
       "LanguageWorkedWith                                     Go;JavaScript;TypeScript   \n",
       "MiscTechDesireNextYear        Ansible;Node.js;React Native;TensorFlow;Terafo...   \n",
       "MiscTechWorkedWith                                Node.js;React Native;Unity 3D   \n",
       "NEWCollabToolsDesireNextYear  Github;Gitlab;Slack;Trello;Google Suite (Docs,...   \n",
       "NEWCollabToolsWorkedWith      Confluence;Jira;Github;Gitlab;Slack;Trello;Goo...   \n",
       "NEWDevOps                                                                   Yes   \n",
       "NEWDevOpsImpt                                                Somewhat important   \n",
       "NEWEdImpt                                                      Fairly important   \n",
       "NEWJobHunt                    Curious about other opportunities;Better compe...   \n",
       "NEWJobHuntResearch                                                          NaN   \n",
       "NEWLearn                                                            Once a year   \n",
       "NEWOffTopic                                                                  No   \n",
       "NEWOnboardGood                                                               No   \n",
       "NEWOtherComms                                                               Yes   \n",
       "NEWOvertime                                   Rarely: 1-2 days per year or less   \n",
       "NEWPurchaseResearch                                                         NaN   \n",
       "NEWPurpleLink                                                           Annoyed   \n",
       "NEWSOSites                    Stack Overflow (public Q&A for anyone who code...   \n",
       "NEWStuck                      Visit Stack Overflow;Watch help / tutorial vid...   \n",
       "OpSys                                                                     MacOS   \n",
       "OrgSize                                                      20 to 99 employees   \n",
       "PlatformDesireNextYear                                                      NaN   \n",
       "PlatformWorkedWith            Android;AWS;Docker;Kubernetes;Linux;MacOS;Slac...   \n",
       "PurchaseWhat                                      I have little or no influence   \n",
       "Sexuality                                               Straight / Heterosexual   \n",
       "SOAccount                                                                   Yes   \n",
       "SOComm                                                            Yes, somewhat   \n",
       "SOPartFreq                                  Less than once per month or monthly   \n",
       "SOVisitFreq                                              Multiple times per day   \n",
       "SurveyEase                                                                 Easy   \n",
       "SurveyLength                                                           Too long   \n",
       "Trans                                                                        No   \n",
       "UndergradMajor                Computer science, computer engineering, or sof...   \n",
       "WebframeDesireNextYear                           Angular;Gatsby;React.js;Vue.js   \n",
       "WebframeWorkedWith                   Angular;Angular.js;Express;Gatsby;React.js   \n",
       "WelcomeChange                           Just as welcome now as I felt last year   \n",
       "WorkWeekHrs                                                                40.0   \n",
       "YearsCode                                                                    13   \n",
       "YearsCodePro                                                                 10   \n",
       "\n",
       "                              ...  \\\n",
       "MainBranch                    ...   \n",
       "Hobbyist                      ...   \n",
       "Age                           ...   \n",
       "Age1stCode                    ...   \n",
       "CompFreq                      ...   \n",
       "CompTotal                     ...   \n",
       "ConvertedComp                 ...   \n",
       "Country                       ...   \n",
       "CurrencyDesc                  ...   \n",
       "CurrencySymbol                ...   \n",
       "DatabaseDesireNextYear        ...   \n",
       "DatabaseWorkedWith            ...   \n",
       "DevType                       ...   \n",
       "EdLevel                       ...   \n",
       "Employment                    ...   \n",
       "Ethnicity                     ...   \n",
       "Gender                        ...   \n",
       "JobFactors                    ...   \n",
       "JobSat                        ...   \n",
       "JobSeek                       ...   \n",
       "LanguageDesireNextYear        ...   \n",
       "LanguageWorkedWith            ...   \n",
       "MiscTechDesireNextYear        ...   \n",
       "MiscTechWorkedWith            ...   \n",
       "NEWCollabToolsDesireNextYear  ...   \n",
       "NEWCollabToolsWorkedWith      ...   \n",
       "NEWDevOps                     ...   \n",
       "NEWDevOpsImpt                 ...   \n",
       "NEWEdImpt                     ...   \n",
       "NEWJobHunt                    ...   \n",
       "NEWJobHuntResearch            ...   \n",
       "NEWLearn                      ...   \n",
       "NEWOffTopic                   ...   \n",
       "NEWOnboardGood                ...   \n",
       "NEWOtherComms                 ...   \n",
       "NEWOvertime                   ...   \n",
       "NEWPurchaseResearch           ...   \n",
       "NEWPurpleLink                 ...   \n",
       "NEWSOSites                    ...   \n",
       "NEWStuck                      ...   \n",
       "OpSys                         ...   \n",
       "OrgSize                       ...   \n",
       "PlatformDesireNextYear        ...   \n",
       "PlatformWorkedWith            ...   \n",
       "PurchaseWhat                  ...   \n",
       "Sexuality                     ...   \n",
       "SOAccount                     ...   \n",
       "SOComm                        ...   \n",
       "SOPartFreq                    ...   \n",
       "SOVisitFreq                   ...   \n",
       "SurveyEase                    ...   \n",
       "SurveyLength                  ...   \n",
       "Trans                         ...   \n",
       "UndergradMajor                ...   \n",
       "WebframeDesireNextYear        ...   \n",
       "WebframeWorkedWith            ...   \n",
       "WelcomeChange                 ...   \n",
       "WorkWeekHrs                   ...   \n",
       "YearsCode                     ...   \n",
       "YearsCodePro                  ...   \n",
       "\n",
       "                                                                          46595  \\\n",
       "MainBranch                                       I am a developer by profession   \n",
       "Hobbyist                                                                    Yes   \n",
       "Age                                                                        34.0   \n",
       "Age1stCode                                                                   14   \n",
       "CompFreq                                                                 Yearly   \n",
       "CompTotal                                                               60000.0   \n",
       "ConvertedComp                                                           40086.0   \n",
       "Country                                                               Australia   \n",
       "CurrencyDesc                                                  Australian dollar   \n",
       "CurrencySymbol                                                              AUD   \n",
       "DatabaseDesireNextYear                                               PostgreSQL   \n",
       "DatabaseWorkedWith                                    MongoDB;PostgreSQL;SQLite   \n",
       "DevType                               Developer, back-end;Developer, full-stack   \n",
       "EdLevel                            Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "Employment                                                   Employed full-time   \n",
       "Ethnicity                                          White or of European descent   \n",
       "Gender                                                                    Woman   \n",
       "JobFactors                    Flex time or a flexible schedule;Office enviro...   \n",
       "JobSat                                                           Very satisfied   \n",
       "JobSeek                            I am not interested in new job opportunities   \n",
       "LanguageDesireNextYear           Bash/Shell/PowerShell;C#;Python;SQL;TypeScript   \n",
       "LanguageWorkedWith            Bash/Shell/PowerShell;C#;HTML/CSS;JavaScript;R...   \n",
       "MiscTechDesireNextYear             .NET;.NET Core;Node.js;React Native;Unity 3D   \n",
       "MiscTechWorkedWith                              .NET;.NET Core;Node.js;Unity 3D   \n",
       "NEWCollabToolsDesireNextYear   Jira;Github;Slack;Google Suite (Docs, Meet, etc)   \n",
       "NEWCollabToolsWorkedWith      Jira;Github;Slack;Trello;Google Suite (Docs, M...   \n",
       "NEWDevOps                                                                    No   \n",
       "NEWDevOpsImpt                                                Somewhat important   \n",
       "NEWEdImpt                                                    Somewhat important   \n",
       "NEWJobHunt                    Curious about other opportunities;Better compe...   \n",
       "NEWJobHuntResearch            Read company media, such as employee blogs or ...   \n",
       "NEWLearn                                                       Every few months   \n",
       "NEWOffTopic                                                            Not sure   \n",
       "NEWOnboardGood                                                              Yes   \n",
       "NEWOtherComms                                                               Yes   \n",
       "NEWOvertime                   Occasionally: 1-2 days per quarter but less th...   \n",
       "NEWPurchaseResearch           Start a free trial;Ask developers I know/work ...   \n",
       "NEWPurpleLink                                                            Amused   \n",
       "NEWSOSites                    Stack Overflow (public Q&A for anyone who code...   \n",
       "NEWStuck                      Call a coworker or friend;Visit Stack Overflow...   \n",
       "OpSys                                                               Linux-based   \n",
       "OrgSize                                                      20 to 99 employees   \n",
       "PlatformDesireNextYear        AWS;Docker;Google Cloud Platform;Heroku;Kubern...   \n",
       "PlatformWorkedWith            AWS;Docker;Google Cloud Platform;Heroku;Linux;...   \n",
       "PurchaseWhat                                              I have some influence   \n",
       "Sexuality                                                              Bisexual   \n",
       "SOAccount                                                                    No   \n",
       "SOComm                                                           No, not at all   \n",
       "SOPartFreq                                                                  NaN   \n",
       "SOVisitFreq                                               Daily or almost daily   \n",
       "SurveyEase                                                                 Easy   \n",
       "SurveyLength                                              Appropriate in length   \n",
       "Trans                                                                        No   \n",
       "UndergradMajor                A humanities discipline (such as literature, h...   \n",
       "WebframeDesireNextYear        ASP.NET;ASP.NET Core;Django;Express;Flask;Reac...   \n",
       "WebframeWorkedWith            ASP.NET;ASP.NET Core;Django;Express;Flask;Reac...   \n",
       "WelcomeChange                           Just as welcome now as I felt last year   \n",
       "WorkWeekHrs                                                                38.0   \n",
       "YearsCode                                                                    20   \n",
       "YearsCodePro                                                   Less than 1 year   \n",
       "\n",
       "                                                                          32771  \\\n",
       "MainBranch                                          I code primarily as a hobby   \n",
       "Hobbyist                                                                    Yes   \n",
       "Age                                                                        29.0   \n",
       "Age1stCode                                                                    8   \n",
       "CompFreq                                                                    NaN   \n",
       "CompTotal                                                                   NaN   \n",
       "ConvertedComp                                                               NaN   \n",
       "Country                                                      Russian Federation   \n",
       "CurrencyDesc                                                                NaN   \n",
       "CurrencySymbol                                                              NaN   \n",
       "DatabaseDesireNextYear                        MariaDB;MongoDB;PostgreSQL;SQLite   \n",
       "DatabaseWorkedWith                      MariaDB;MongoDB;MySQL;PostgreSQL;SQLite   \n",
       "DevType                       Developer, back-end;Developer, front-end;Devel...   \n",
       "EdLevel                       Some college/university study without earning ...   \n",
       "Employment                                                   Employed full-time   \n",
       "Ethnicity                                          White or of European descent   \n",
       "Gender                                                                      Man   \n",
       "JobFactors                                                                  NaN   \n",
       "JobSat                                                                      NaN   \n",
       "JobSeek                                                                     NaN   \n",
       "LanguageDesireNextYear        Assembly;Bash/Shell/PowerShell;C;Dart;Go;Haske...   \n",
       "LanguageWorkedWith            C;C++;Dart;HTML/CSS;Java;JavaScript;Python;Rub...   \n",
       "MiscTechDesireNextYear        Ansible;Flutter;Keras;Node.js;Pandas;Puppet;Re...   \n",
       "MiscTechWorkedWith                                              Flutter;Node.js   \n",
       "NEWCollabToolsDesireNextYear                                Github;Slack;Trello   \n",
       "NEWCollabToolsWorkedWith                             Github;Gitlab;Slack;Trello   \n",
       "NEWDevOps                                                                   NaN   \n",
       "NEWDevOpsImpt                                                               NaN   \n",
       "NEWEdImpt                                                    Somewhat important   \n",
       "NEWJobHunt                                                                  NaN   \n",
       "NEWJobHuntResearch                                                          NaN   \n",
       "NEWLearn                                                            Once a year   \n",
       "NEWOffTopic                                                            Not sure   \n",
       "NEWOnboardGood                                                              NaN   \n",
       "NEWOtherComms                                                               Yes   \n",
       "NEWOvertime                                                                 NaN   \n",
       "NEWPurchaseResearch           Start a free trial;Read ratings or reviews on ...   \n",
       "NEWPurpleLink                                                 Hello, old friend   \n",
       "NEWSOSites                    Stack Overflow (public Q&A for anyone who code...   \n",
       "NEWStuck                      Meditate;Visit Stack Overflow;Go for a walk or...   \n",
       "OpSys                                                                   Windows   \n",
       "OrgSize                                                                     NaN   \n",
       "PlatformDesireNextYear                      Android;Docker;Heroku;Linux;Windows   \n",
       "PlatformWorkedWith                          Android;Docker;Heroku;Linux;Windows   \n",
       "PurchaseWhat                                                                NaN   \n",
       "Sexuality                                               Straight / Heterosexual   \n",
       "SOAccount                                               Not sure/can't remember   \n",
       "SOComm                                                           No, not at all   \n",
       "SOPartFreq                                                                  NaN   \n",
       "SOVisitFreq                                                A few times per week   \n",
       "SurveyEase                                                                 Easy   \n",
       "SurveyLength                                              Appropriate in length   \n",
       "Trans                                                                        No   \n",
       "UndergradMajor                Another engineering discipline (such as civil,...   \n",
       "WebframeDesireNextYear             Angular;Django;Express;Flask;React.js;Vue.js   \n",
       "WebframeWorkedWith                 Angular;Django;Express;Flask;React.js;Vue.js   \n",
       "WelcomeChange                           Just as welcome now as I felt last year   \n",
       "WorkWeekHrs                                                                 NaN   \n",
       "YearsCode                                                                     5   \n",
       "YearsCodePro                                                                NaN   \n",
       "\n",
       "                                                                          63802  \\\n",
       "MainBranch                                       I am a developer by profession   \n",
       "Hobbyist                                                                    Yes   \n",
       "Age                                                                         NaN   \n",
       "Age1stCode                                                                   20   \n",
       "CompFreq                                                                Monthly   \n",
       "CompTotal                                                                   NaN   \n",
       "ConvertedComp                                                               NaN   \n",
       "Country                                                                   India   \n",
       "CurrencyDesc                                                       Indian rupee   \n",
       "CurrencySymbol                                                              INR   \n",
       "DatabaseDesireNextYear                                                      NaN   \n",
       "DatabaseWorkedWith                                                          NaN   \n",
       "DevType                       Designer;Developer, desktop or enterprise appl...   \n",
       "EdLevel                            Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "Employment                                                   Employed full-time   \n",
       "Ethnicity                                                                   NaN   \n",
       "Gender                                                                      NaN   \n",
       "JobFactors                                                                  NaN   \n",
       "JobSat                                                       Slightly satisfied   \n",
       "JobSeek                       I’m not actively looking, but I am open to new...   \n",
       "LanguageDesireNextYear                                                      NaN   \n",
       "LanguageWorkedWith                                                          NaN   \n",
       "MiscTechDesireNextYear                                                      NaN   \n",
       "MiscTechWorkedWith                                                          NaN   \n",
       "NEWCollabToolsDesireNextYear                                                NaN   \n",
       "NEWCollabToolsWorkedWith                                                    NaN   \n",
       "NEWDevOps                                                                   NaN   \n",
       "NEWDevOpsImpt                                                               NaN   \n",
       "NEWEdImpt                                                                   NaN   \n",
       "NEWJobHunt                                                                  NaN   \n",
       "NEWJobHuntResearch                                                          NaN   \n",
       "NEWLearn                                                                    NaN   \n",
       "NEWOffTopic                                                                 NaN   \n",
       "NEWOnboardGood                                                              NaN   \n",
       "NEWOtherComms                                                               NaN   \n",
       "NEWOvertime                   Occasionally: 1-2 days per quarter but less th...   \n",
       "NEWPurchaseResearch                                                         NaN   \n",
       "NEWPurpleLink                                                               NaN   \n",
       "NEWSOSites                                                                  NaN   \n",
       "NEWStuck                                                                    NaN   \n",
       "OpSys                                                                       NaN   \n",
       "OrgSize                                                    100 to 499 employees   \n",
       "PlatformDesireNextYear                                                      NaN   \n",
       "PlatformWorkedWith                                                          NaN   \n",
       "PurchaseWhat                                                                NaN   \n",
       "Sexuality                                                                   NaN   \n",
       "SOAccount                                                                   NaN   \n",
       "SOComm                                                                      NaN   \n",
       "SOPartFreq                                                                  NaN   \n",
       "SOVisitFreq                                                                 NaN   \n",
       "SurveyEase                                                                  NaN   \n",
       "SurveyLength                                                                NaN   \n",
       "Trans                                                                       NaN   \n",
       "UndergradMajor                Computer science, computer engineering, or sof...   \n",
       "WebframeDesireNextYear                                                      NaN   \n",
       "WebframeWorkedWith                                                          NaN   \n",
       "WelcomeChange                                                               NaN   \n",
       "WorkWeekHrs                                                                 NaN   \n",
       "YearsCode                                                                     3   \n",
       "YearsCodePro                                                                  2   \n",
       "\n",
       "                                                                          4528   \\\n",
       "MainBranch                               I am a student who is learning to code   \n",
       "Hobbyist                                                                    Yes   \n",
       "Age                                                                        34.0   \n",
       "Age1stCode                                                                   10   \n",
       "CompFreq                                                                    NaN   \n",
       "CompTotal                                                                   NaN   \n",
       "ConvertedComp                                                               NaN   \n",
       "Country                                                           United States   \n",
       "CurrencyDesc                                                                NaN   \n",
       "CurrencySymbol                                                              NaN   \n",
       "DatabaseDesireNextYear                                  PostgreSQL;Redis;SQLite   \n",
       "DatabaseWorkedWith                        Elasticsearch;PostgreSQL;Redis;SQLite   \n",
       "DevType                       Developer, back-end;DevOps specialist;Engineer...   \n",
       "EdLevel                       Some college/university study without earning ...   \n",
       "Employment                                   Not employed, but looking for work   \n",
       "Ethnicity                                          White or of European descent   \n",
       "Gender                                                                      Man   \n",
       "JobFactors                    Flex time or a flexible schedule;Remote work o...   \n",
       "JobSat                                                                      NaN   \n",
       "JobSeek                                         I am actively looking for a job   \n",
       "LanguageDesireNextYear             Go;HTML/CSS;JavaScript;Python;SQL;TypeScript   \n",
       "LanguageWorkedWith            Bash/Shell/PowerShell;HTML/CSS;Java;JavaScript...   \n",
       "MiscTechDesireNextYear                                                  Node.js   \n",
       "MiscTechWorkedWith                                   Ansible;Node.js;TensorFlow   \n",
       "NEWCollabToolsDesireNextYear       Github;Gitlab;Google Suite (Docs, Meet, etc)   \n",
       "NEWCollabToolsWorkedWith            Github;Slack;Google Suite (Docs, Meet, etc)   \n",
       "NEWDevOps                                                                   NaN   \n",
       "NEWDevOpsImpt                                                               NaN   \n",
       "NEWEdImpt                                                                   NaN   \n",
       "NEWJobHunt                                                                  NaN   \n",
       "NEWJobHuntResearch                                                          NaN   \n",
       "NEWLearn                                                   Once every few years   \n",
       "NEWOffTopic                                                                 Yes   \n",
       "NEWOnboardGood                                                              NaN   \n",
       "NEWOtherComms                                                               Yes   \n",
       "NEWOvertime                                                                 NaN   \n",
       "NEWPurchaseResearch           Start a free trial;Ask developers I know/work ...   \n",
       "NEWPurpleLink                                                       Indifferent   \n",
       "NEWSOSites                    Stack Overflow (public Q&A for anyone who code...   \n",
       "NEWStuck                      Visit Stack Overflow;Go for a walk or other ph...   \n",
       "OpSys                                                                     MacOS   \n",
       "OrgSize                                                                     NaN   \n",
       "PlatformDesireNextYear           AWS;Docker;Kubernetes;Linux;MacOS;Raspberry Pi   \n",
       "PlatformWorkedWith                          AWS;Docker;Linux;MacOS;Raspberry Pi   \n",
       "PurchaseWhat                                                                NaN   \n",
       "Sexuality                                               Straight / Heterosexual   \n",
       "SOAccount                                                                   Yes   \n",
       "SOComm                                                           No, not really   \n",
       "SOPartFreq                                  Less than once per month or monthly   \n",
       "SOVisitFreq                                               Daily or almost daily   \n",
       "SurveyEase                                                                 Easy   \n",
       "SurveyLength                                              Appropriate in length   \n",
       "Trans                                                                        No   \n",
       "UndergradMajor                Computer science, computer engineering, or sof...   \n",
       "WebframeDesireNextYear                                    Django;Flask;React.js   \n",
       "WebframeWorkedWith                                        Django;Flask;React.js   \n",
       "WelcomeChange                           Just as welcome now as I felt last year   \n",
       "WorkWeekHrs                                                                 NaN   \n",
       "YearsCode                                                                    24   \n",
       "YearsCodePro                                                                NaN   \n",
       "\n",
       "                                                                          10977  \\\n",
       "MainBranch                                       I am a developer by profession   \n",
       "Hobbyist                                                                    Yes   \n",
       "Age                                                                        30.0   \n",
       "Age1stCode                                                                   12   \n",
       "CompFreq                                                                    NaN   \n",
       "CompTotal                                                                   NaN   \n",
       "ConvertedComp                                                               NaN   \n",
       "Country                                                                 Germany   \n",
       "CurrencyDesc                                                      European Euro   \n",
       "CurrencySymbol                                                              EUR   \n",
       "DatabaseDesireNextYear                                                  MariaDB   \n",
       "DatabaseWorkedWith                                         MariaDB;MySQL;SQLite   \n",
       "DevType                       Developer, back-end;Developer, game or graphic...   \n",
       "EdLevel                         Master’s degree (M.A., M.S., M.Eng., MBA, etc.)   \n",
       "Employment                                                   Employed full-time   \n",
       "Ethnicity                                          White or of European descent   \n",
       "Gender                                                                      Man   \n",
       "JobFactors                    Flex time or a flexible schedule;Languages, fr...   \n",
       "JobSat                                                                      NaN   \n",
       "JobSeek                       I’m not actively looking, but I am open to new...   \n",
       "LanguageDesireNextYear                                                   C#;C++   \n",
       "LanguageWorkedWith                                       C#;C++;HTML/CSS;Python   \n",
       "MiscTechDesireNextYear                                                      NaN   \n",
       "MiscTechWorkedWith                                                          NaN   \n",
       "NEWCollabToolsDesireNextYear                                 Jira;Github;Gitlab   \n",
       "NEWCollabToolsWorkedWith                          Github;Gitlab;Microsoft Teams   \n",
       "NEWDevOps                                                                    No   \n",
       "NEWDevOpsImpt                                                Somewhat important   \n",
       "NEWEdImpt                                                      Fairly important   \n",
       "NEWJobHunt                    Curious about other opportunities;Better compe...   \n",
       "NEWJobHuntResearch            Company reviews from third party sites (e.g. G...   \n",
       "NEWLearn                                                          Once a decade   \n",
       "NEWOffTopic                                                                  No   \n",
       "NEWOnboardGood                                                               No   \n",
       "NEWOtherComms                                                               Yes   \n",
       "NEWOvertime                                    Often: 1-2 days per week or more   \n",
       "NEWPurchaseResearch                                                         NaN   \n",
       "NEWPurpleLink                                                 Hello, old friend   \n",
       "NEWSOSites                    Stack Overflow (public Q&A for anyone who code...   \n",
       "NEWStuck                         Call a coworker or friend;Visit Stack Overflow   \n",
       "OpSys                                                                   Windows   \n",
       "OrgSize                                                    100 to 499 employees   \n",
       "PlatformDesireNextYear                                          Arduino;Windows   \n",
       "PlatformWorkedWith                                              Arduino;Windows   \n",
       "PurchaseWhat                                      I have little or no influence   \n",
       "Sexuality                                               Straight / Heterosexual   \n",
       "SOAccount                                                                   Yes   \n",
       "SOComm                                                                  Neutral   \n",
       "SOPartFreq                                  Less than once per month or monthly   \n",
       "SOVisitFreq                                               Daily or almost daily   \n",
       "SurveyEase                                                                 Easy   \n",
       "SurveyLength                                              Appropriate in length   \n",
       "Trans                                                                        No   \n",
       "UndergradMajor                Computer science, computer engineering, or sof...   \n",
       "WebframeDesireNextYear                                                      NaN   \n",
       "WebframeWorkedWith                                                          NaN   \n",
       "WelcomeChange                           Just as welcome now as I felt last year   \n",
       "WorkWeekHrs                                                                40.0   \n",
       "YearsCode                                                                    18   \n",
       "YearsCodePro                                                                  7   \n",
       "\n",
       "                                                                          51360  \\\n",
       "MainBranch                                       I am a developer by profession   \n",
       "Hobbyist                                                                    Yes   \n",
       "Age                                                                        26.0   \n",
       "Age1stCode                                                                   13   \n",
       "CompFreq                                                                Monthly   \n",
       "CompTotal                                                               16000.0   \n",
       "ConvertedComp                                                           12312.0   \n",
       "Country                                                                   Egypt   \n",
       "CurrencyDesc                                                     Egyptian pound   \n",
       "CurrencySymbol                                                              EGP   \n",
       "DatabaseDesireNextYear                                                      NaN   \n",
       "DatabaseWorkedWith                                                     Firebase   \n",
       "DevType                       Developer, embedded applications or devices;De...   \n",
       "EdLevel                            Bachelor’s degree (B.A., B.S., B.Eng., etc.)   \n",
       "Employment                                                   Employed full-time   \n",
       "Ethnicity                                                        Middle Eastern   \n",
       "Gender                                                                      Man   \n",
       "JobFactors                    Flex time or a flexible schedule;Languages, fr...   \n",
       "JobSat                                                           Very satisfied   \n",
       "JobSeek                       I’m not actively looking, but I am open to new...   \n",
       "LanguageDesireNextYear                      Dart;HTML/CSS;JavaScript;TypeScript   \n",
       "LanguageWorkedWith                               C;Dart;HTML/CSS;JavaScript;PHP   \n",
       "MiscTechDesireNextYear                             Flutter;Node.js;React Native   \n",
       "MiscTechWorkedWith                         Cordova;Flutter;Node.js;React Native   \n",
       "NEWCollabToolsDesireNextYear                           Jira;Github;Gitlab;Slack   \n",
       "NEWCollabToolsWorkedWith                               Jira;Github;Gitlab;Slack   \n",
       "NEWDevOps                                                                   Yes   \n",
       "NEWDevOpsImpt                                                Somewhat important   \n",
       "NEWEdImpt                                                    Somewhat important   \n",
       "NEWJobHunt                    Just because;Wanting to share accomplishments ...   \n",
       "NEWJobHuntResearch            Read company media, such as employee blogs or ...   \n",
       "NEWLearn                                                       Every few months   \n",
       "NEWOffTopic                                                            Not sure   \n",
       "NEWOnboardGood                                                              Yes   \n",
       "NEWOtherComms                                                                No   \n",
       "NEWOvertime                   Sometimes: 1-2 days per month but less than we...   \n",
       "NEWPurchaseResearch           Start a free trial;Ask developers I know/work ...   \n",
       "NEWPurpleLink                                                       Indifferent   \n",
       "NEWSOSites                    Stack Overflow (public Q&A for anyone who code...   \n",
       "NEWStuck                      Call a coworker or friend;Visit Stack Overflow...   \n",
       "OpSys                                                               Linux-based   \n",
       "OrgSize                                                      10 to 19 employees   \n",
       "PlatformDesireNextYear                                      Android;Linux;MacOS   \n",
       "PlatformWorkedWith                           Android;Arduino;Linux;Raspberry Pi   \n",
       "PurchaseWhat                                              I have some influence   \n",
       "Sexuality                                               Straight / Heterosexual   \n",
       "SOAccount                                                                   Yes   \n",
       "SOComm                                                           No, not really   \n",
       "SOPartFreq                                  Less than once per month or monthly   \n",
       "SOVisitFreq                                              Multiple times per day   \n",
       "SurveyEase                                           Neither easy nor difficult   \n",
       "SurveyLength                                              Appropriate in length   \n",
       "Trans                                                                        No   \n",
       "UndergradMajor                Another engineering discipline (such as civil,...   \n",
       "WebframeDesireNextYear                                         Express;React.js   \n",
       "WebframeWorkedWith                                  Angular;Angular.js;React.js   \n",
       "WelcomeChange                           Just as welcome now as I felt last year   \n",
       "WorkWeekHrs                                                                40.0   \n",
       "YearsCode                                                                    10   \n",
       "YearsCodePro                                                                  3   \n",
       "\n",
       "                                                                          16771  \\\n",
       "MainBranch                                       I am a developer by profession   \n",
       "Hobbyist                                                                    Yes   \n",
       "Age                                                                         NaN   \n",
       "Age1stCode                                                                   11   \n",
       "CompFreq                                                                    NaN   \n",
       "CompTotal                                                                   NaN   \n",
       "ConvertedComp                                                               NaN   \n",
       "Country                                                           United States   \n",
       "CurrencyDesc                                               United States dollar   \n",
       "CurrencySymbol                                                              USD   \n",
       "DatabaseDesireNextYear                                     Couchbase;PostgreSQL   \n",
       "DatabaseWorkedWith                                Couchbase;Firebase;PostgreSQL   \n",
       "DevType                       Database administrator;Designer;Developer, bac...   \n",
       "EdLevel                              Other doctoral degree (Ph.D., Ed.D., etc.)   \n",
       "Employment                                                   Employed full-time   \n",
       "Ethnicity                                                                   NaN   \n",
       "Gender                                                                      NaN   \n",
       "JobFactors                                                                  NaN   \n",
       "JobSat                                                           Very satisfied   \n",
       "JobSeek                            I am not interested in new job opportunities   \n",
       "LanguageDesireNextYear        HTML/CSS;Java;JavaScript;Python;Rust;SQL;TypeS...   \n",
       "LanguageWorkedWith            Bash/Shell/PowerShell;HTML/CSS;Java;JavaScript...   \n",
       "MiscTechDesireNextYear                   Apache Spark;Node.js;Pandas;TensorFlow   \n",
       "MiscTechWorkedWith                       Apache Spark;Node.js;Pandas;TensorFlow   \n",
       "NEWCollabToolsDesireNextYear                                         Jira;Slack   \n",
       "NEWCollabToolsWorkedWith       Jira;Github;Slack;Google Suite (Docs, Meet, etc)   \n",
       "NEWDevOps                                                                    No   \n",
       "NEWDevOpsImpt                                                           Neutral   \n",
       "NEWEdImpt                                                      Fairly important   \n",
       "NEWJobHunt                                                                  NaN   \n",
       "NEWJobHuntResearch                                                          NaN   \n",
       "NEWLearn                                                            Once a year   \n",
       "NEWOffTopic                                                                 Yes   \n",
       "NEWOnboardGood                                                              Yes   \n",
       "NEWOtherComms                                                                No   \n",
       "NEWOvertime                                    Often: 1-2 days per week or more   \n",
       "NEWPurchaseResearch           Start a free trial;Ask developers I know/work ...   \n",
       "NEWPurpleLink                                                            Amused   \n",
       "NEWSOSites                    Stack Overflow (public Q&A for anyone who code...   \n",
       "NEWStuck                      Visit Stack Overflow;Go for a walk or other ph...   \n",
       "OpSys                                                               Linux-based   \n",
       "OrgSize                                                        2 to 9 employees   \n",
       "PlatformDesireNextYear                     Android;iOS;Linux;MacOS;Raspberry Pi   \n",
       "PlatformWorkedWith            Android;Arduino;AWS;IBM Cloud or Watson;iOS;Li...   \n",
       "PurchaseWhat                                   I have a great deal of influence   \n",
       "Sexuality                                                                   NaN   \n",
       "SOAccount                                                                   Yes   \n",
       "SOComm                                                            Yes, somewhat   \n",
       "SOPartFreq                                                 A few times per week   \n",
       "SOVisitFreq                                              Multiple times per day   \n",
       "SurveyEase                                                                  NaN   \n",
       "SurveyLength                                                                NaN   \n",
       "Trans                                                                       NaN   \n",
       "UndergradMajor                Another engineering discipline (such as civil,...   \n",
       "WebframeDesireNextYear                                   Angular;Express;Spring   \n",
       "WebframeWorkedWith                                       Angular;Express;Spring   \n",
       "WelcomeChange                           Just as welcome now as I felt last year   \n",
       "WorkWeekHrs                                                                50.0   \n",
       "YearsCode                                                                    41   \n",
       "YearsCodePro                                                                 24   \n",
       "\n",
       "                                                       38831  \\\n",
       "MainBranch                    I am a developer by profession   \n",
       "Hobbyist                                                 Yes   \n",
       "Age                                                      NaN   \n",
       "Age1stCode                                               NaN   \n",
       "CompFreq                                                 NaN   \n",
       "CompTotal                                                NaN   \n",
       "ConvertedComp                                            NaN   \n",
       "Country                                          Netherlands   \n",
       "CurrencyDesc                                             NaN   \n",
       "CurrencySymbol                                           NaN   \n",
       "DatabaseDesireNextYear                                   NaN   \n",
       "DatabaseWorkedWith                                       NaN   \n",
       "DevType                                                  NaN   \n",
       "EdLevel                                                  NaN   \n",
       "Employment                                Employed full-time   \n",
       "Ethnicity                                                NaN   \n",
       "Gender                                                   NaN   \n",
       "JobFactors                                               NaN   \n",
       "JobSat                                                   NaN   \n",
       "JobSeek                                                  NaN   \n",
       "LanguageDesireNextYear                                   NaN   \n",
       "LanguageWorkedWith                                       NaN   \n",
       "MiscTechDesireNextYear                                   NaN   \n",
       "MiscTechWorkedWith                                       NaN   \n",
       "NEWCollabToolsDesireNextYear                             NaN   \n",
       "NEWCollabToolsWorkedWith                                 NaN   \n",
       "NEWDevOps                                                NaN   \n",
       "NEWDevOpsImpt                                            NaN   \n",
       "NEWEdImpt                                                NaN   \n",
       "NEWJobHunt                                               NaN   \n",
       "NEWJobHuntResearch                                       NaN   \n",
       "NEWLearn                                                 NaN   \n",
       "NEWOffTopic                                              NaN   \n",
       "NEWOnboardGood                                           NaN   \n",
       "NEWOtherComms                                            NaN   \n",
       "NEWOvertime                                              NaN   \n",
       "NEWPurchaseResearch                                      NaN   \n",
       "NEWPurpleLink                                            NaN   \n",
       "NEWSOSites                                               NaN   \n",
       "NEWStuck                                                 NaN   \n",
       "OpSys                                                    NaN   \n",
       "OrgSize                                                  NaN   \n",
       "PlatformDesireNextYear                                   NaN   \n",
       "PlatformWorkedWith                                       NaN   \n",
       "PurchaseWhat                                             NaN   \n",
       "Sexuality                                                NaN   \n",
       "SOAccount                                                NaN   \n",
       "SOComm                                                   NaN   \n",
       "SOPartFreq                                               NaN   \n",
       "SOVisitFreq                                              NaN   \n",
       "SurveyEase                                               NaN   \n",
       "SurveyLength                                             NaN   \n",
       "Trans                                                    NaN   \n",
       "UndergradMajor                                           NaN   \n",
       "WebframeDesireNextYear                                   NaN   \n",
       "WebframeWorkedWith                                       NaN   \n",
       "WelcomeChange                                            NaN   \n",
       "WorkWeekHrs                                              NaN   \n",
       "YearsCode                                                NaN   \n",
       "YearsCodePro                                             NaN   \n",
       "\n",
       "                                                                          7093   \\\n",
       "MainBranch                                       I am a developer by profession   \n",
       "Hobbyist                                                                    Yes   \n",
       "Age                                                                         NaN   \n",
       "Age1stCode                                                                  NaN   \n",
       "CompFreq                                                                    NaN   \n",
       "CompTotal                                                                   NaN   \n",
       "ConvertedComp                                                               NaN   \n",
       "Country                                                               Indonesia   \n",
       "CurrencyDesc                                                  Indonesian rupiah   \n",
       "CurrencySymbol                                                              IDR   \n",
       "DatabaseDesireNextYear                                                      NaN   \n",
       "DatabaseWorkedWith                                                          NaN   \n",
       "DevType                                                                     NaN   \n",
       "EdLevel                                                                     NaN   \n",
       "Employment                                                   Employed full-time   \n",
       "Ethnicity                                                                   NaN   \n",
       "Gender                                                                      NaN   \n",
       "JobFactors                                                                  NaN   \n",
       "JobSat                                                                      NaN   \n",
       "JobSeek                                         I am actively looking for a job   \n",
       "LanguageDesireNextYear                                                      NaN   \n",
       "LanguageWorkedWith                                                          NaN   \n",
       "MiscTechDesireNextYear                                                      NaN   \n",
       "MiscTechWorkedWith                                                          NaN   \n",
       "NEWCollabToolsDesireNextYear                                                NaN   \n",
       "NEWCollabToolsWorkedWith                                                    NaN   \n",
       "NEWDevOps                                                                   NaN   \n",
       "NEWDevOpsImpt                                                               NaN   \n",
       "NEWEdImpt                                                                   NaN   \n",
       "NEWJobHunt                                                                  NaN   \n",
       "NEWJobHuntResearch                                                          NaN   \n",
       "NEWLearn                                                                    NaN   \n",
       "NEWOffTopic                                                                 NaN   \n",
       "NEWOnboardGood                                                              NaN   \n",
       "NEWOtherComms                                                               Yes   \n",
       "NEWOvertime                                                                 NaN   \n",
       "NEWPurchaseResearch                                                         NaN   \n",
       "NEWPurpleLink                                                               NaN   \n",
       "NEWSOSites                    Stack Overflow (public Q&A for anyone who code...   \n",
       "NEWStuck                                                                    NaN   \n",
       "OpSys                                                                       NaN   \n",
       "OrgSize                                                                     NaN   \n",
       "PlatformDesireNextYear                                                      NaN   \n",
       "PlatformWorkedWith                                                          NaN   \n",
       "PurchaseWhat                                                                NaN   \n",
       "Sexuality                                                                   NaN   \n",
       "SOAccount                                                                   Yes   \n",
       "SOComm                                                          Yes, definitely   \n",
       "SOPartFreq                                               Multiple times per day   \n",
       "SOVisitFreq                                              Multiple times per day   \n",
       "SurveyEase                                                                  NaN   \n",
       "SurveyLength                                                                NaN   \n",
       "Trans                                                                       NaN   \n",
       "UndergradMajor                                                              NaN   \n",
       "WebframeDesireNextYear                                                      NaN   \n",
       "WebframeWorkedWith                                                          NaN   \n",
       "WelcomeChange                                                               NaN   \n",
       "WorkWeekHrs                                                                 NaN   \n",
       "YearsCode                                                                   NaN   \n",
       "YearsCodePro                                                                NaN   \n",
       "\n",
       "                                                                          51843  \n",
       "MainBranch                                       I am a developer by profession  \n",
       "Hobbyist                                                                    Yes  \n",
       "Age                                                                        29.0  \n",
       "Age1stCode                                                                   20  \n",
       "CompFreq                                                                Monthly  \n",
       "CompTotal                                                               90000.0  \n",
       "ConvertedComp                                                           10680.0  \n",
       "Country                                                                   Kenya  \n",
       "CurrencyDesc                                                    Kenyan shilling  \n",
       "CurrencySymbol                                                              KES  \n",
       "DatabaseDesireNextYear                                Firebase;MySQL;PostgreSQL  \n",
       "DatabaseWorkedWith                                             MySQL;PostgreSQL  \n",
       "DevType                       Database administrator;Designer;Developer, bac...  \n",
       "EdLevel                       Some college/university study without earning ...  \n",
       "Employment                                                   Employed full-time  \n",
       "Ethnicity                                           Black or of African descent  \n",
       "Gender                                                                      Man  \n",
       "JobFactors                    Languages, frameworks, and other technologies ...  \n",
       "JobSat                                                       Slightly satisfied  \n",
       "JobSeek                       I’m not actively looking, but I am open to new...  \n",
       "LanguageDesireNextYear                  Dart;HTML/CSS;JavaScript;PHP;TypeScript  \n",
       "LanguageWorkedWith                           HTML/CSS;JavaScript;PHP;TypeScript  \n",
       "MiscTechDesireNextYear                                          Cordova;Flutter  \n",
       "MiscTechWorkedWith                                                          NaN  \n",
       "NEWCollabToolsDesireNextYear                                             Github  \n",
       "NEWCollabToolsWorkedWith                                                 Github  \n",
       "NEWDevOps                                                                    No  \n",
       "NEWDevOpsImpt                                                           Neutral  \n",
       "NEWEdImpt                                    Not at all important/not necessary  \n",
       "NEWJobHunt                    Better compensation;Better work/life balance;W...  \n",
       "NEWJobHuntResearch            Read company media, such as employee blogs or ...  \n",
       "NEWLearn                                                                    NaN  \n",
       "NEWOffTopic                                                            Not sure  \n",
       "NEWOnboardGood                                                              Yes  \n",
       "NEWOtherComms                                                                No  \n",
       "NEWOvertime                   Sometimes: 1-2 days per month but less than we...  \n",
       "NEWPurchaseResearch                                                         NaN  \n",
       "NEWPurpleLink                                                       Indifferent  \n",
       "NEWSOSites                    Stack Overflow (public Q&A for anyone who code...  \n",
       "NEWStuck                      Meditate;Visit Stack Overflow;Go for a walk or...  \n",
       "OpSys                                                               Linux-based  \n",
       "OrgSize                                                    100 to 499 employees  \n",
       "PlatformDesireNextYear                      Android;Google Cloud Platform;Linux  \n",
       "PlatformWorkedWith                                                        Linux  \n",
       "PurchaseWhat                                      I have little or no influence  \n",
       "Sexuality                                               Straight / Heterosexual  \n",
       "SOAccount                                                                   Yes  \n",
       "SOComm                                                            Yes, somewhat  \n",
       "SOPartFreq                                                 A few times per week  \n",
       "SOVisitFreq                                               Daily or almost daily  \n",
       "SurveyEase                                                                 Easy  \n",
       "SurveyLength                                              Appropriate in length  \n",
       "Trans                                                                        No  \n",
       "UndergradMajor                Information systems, information technology, o...  \n",
       "WebframeDesireNextYear                        Angular;Angular.js;jQuery;Laravel  \n",
       "WebframeWorkedWith                            Angular;Angular.js;jQuery;Laravel  \n",
       "WelcomeChange                           Just as welcome now as I felt last year  \n",
       "WorkWeekHrs                                                                 8.0  \n",
       "YearsCode                                                                     8  \n",
       "YearsCodePro                                                                  5  \n",
       "\n",
       "[60 rows x 1000 columns]"
      ]
     },
     "execution_count": 32,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "inversed_df = pd.DataFrame({idx: values for idx, values in survey_df.iterrows()}) #转置矩阵，行变为列\n",
    "inversed_df"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 33,
   "id": "4c0a536b-1bcf-4de8-b20f-e36c575f94e9",
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
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       "      <td>Bulgarian lev</td>\n",
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       "      <td>Canada</td>\n",
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       "      <td>40.0</td>\n",
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       "      <td>3</td>\n",
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       "      <td>I am a developer by profession</td>\n",
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       "      <td>United States</td>\n",
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       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
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       "      <td>Another engineering discipline (such as civil,...</td>\n",
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       "      <td>Just as welcome now as I felt last year</td>\n",
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       "      <td>24</td>\n",
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       "      <td>I am a developer by profession</td>\n",
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       "      <td>NaN</td>\n",
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       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Netherlands</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7093</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Indonesia</td>\n",
       "      <td>Indonesian rupiah</td>\n",
       "      <td>IDR</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>51843</th>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>29.0</td>\n",
       "      <td>20</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>90000.0</td>\n",
       "      <td>10680.0</td>\n",
       "      <td>Kenya</td>\n",
       "      <td>Kenyan shilling</td>\n",
       "      <td>KES</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Information systems, information technology, o...</td>\n",
       "      <td>Angular;Angular.js;jQuery;Laravel</td>\n",
       "      <td>Angular;Angular.js;jQuery;Laravel</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>8.0</td>\n",
       "      <td>8</td>\n",
       "      <td>5</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>1000 rows × 60 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                                MainBranch Hobbyist   Age Age1stCode CompFreq  \\\n",
       "Respondent                                                                      \n",
       "20900       I am a developer by profession      Yes   NaN         10  Monthly   \n",
       "28235       I am a developer by profession       No  45.0         10  Monthly   \n",
       "26082       I am a developer by profession      Yes  23.0         14   Yearly   \n",
       "19890       I am a developer by profession      Yes  61.0         21      NaN   \n",
       "16393       I am a developer by profession      Yes  25.0         15   Weekly   \n",
       "...                                    ...      ...   ...        ...      ...   \n",
       "51360       I am a developer by profession      Yes  26.0         13  Monthly   \n",
       "16771       I am a developer by profession      Yes   NaN         11      NaN   \n",
       "38831       I am a developer by profession      Yes   NaN        NaN      NaN   \n",
       "7093        I am a developer by profession      Yes   NaN        NaN      NaN   \n",
       "51843       I am a developer by profession      Yes  29.0         20  Monthly   \n",
       "\n",
       "            CompTotal  ConvertedComp        Country          CurrencyDesc  \\\n",
       "Respondent                                                                  \n",
       "20900          8000.0        53040.0       Bulgaria         Bulgarian lev   \n",
       "28235        670000.0       867480.0         Norway       Norwegian krone   \n",
       "26082         65000.0        65000.0  United States  United States dollar   \n",
       "19890             NaN            NaN         Canada       Canadian dollar   \n",
       "16393             NaN            NaN        Uruguay        Uruguayan peso   \n",
       "...               ...            ...            ...                   ...   \n",
       "51360         16000.0        12312.0          Egypt        Egyptian pound   \n",
       "16771             NaN            NaN  United States  United States dollar   \n",
       "38831             NaN            NaN    Netherlands                   NaN   \n",
       "7093              NaN            NaN      Indonesia     Indonesian rupiah   \n",
       "51843         90000.0        10680.0          Kenya       Kenyan shilling   \n",
       "\n",
       "           CurrencySymbol  ...                  SurveyEase  \\\n",
       "Respondent                 ...                               \n",
       "20900                 BGN  ...                         NaN   \n",
       "28235                 NOK  ...                        Easy   \n",
       "26082                 USD  ...                        Easy   \n",
       "19890                 CAD  ...                        Easy   \n",
       "16393                 UYU  ...                        Easy   \n",
       "...                   ...  ...                         ...   \n",
       "51360                 EGP  ...  Neither easy nor difficult   \n",
       "16771                 USD  ...                         NaN   \n",
       "38831                 NaN  ...                         NaN   \n",
       "7093                  IDR  ...                         NaN   \n",
       "51843                 KES  ...                        Easy   \n",
       "\n",
       "                     SurveyLength Trans  \\\n",
       "Respondent                                \n",
       "20900                         NaN    No   \n",
       "28235       Appropriate in length    No   \n",
       "26082       Appropriate in length    No   \n",
       "19890       Appropriate in length   NaN   \n",
       "16393       Appropriate in length    No   \n",
       "...                           ...   ...   \n",
       "51360       Appropriate in length    No   \n",
       "16771                         NaN   NaN   \n",
       "38831                         NaN   NaN   \n",
       "7093                          NaN   NaN   \n",
       "51843       Appropriate in length    No   \n",
       "\n",
       "                                               UndergradMajor  \\\n",
       "Respondent                                                      \n",
       "20900       Computer science, computer engineering, or sof...   \n",
       "28235       Computer science, computer engineering, or sof...   \n",
       "26082       Computer science, computer engineering, or sof...   \n",
       "19890       Another engineering discipline (such as civil,...   \n",
       "16393       Another engineering discipline (such as civil,...   \n",
       "...                                                       ...   \n",
       "51360       Another engineering discipline (such as civil,...   \n",
       "16771       Another engineering discipline (such as civil,...   \n",
       "38831                                                     NaN   \n",
       "7093                                                      NaN   \n",
       "51843       Information systems, information technology, o...   \n",
       "\n",
       "                       WebframeDesireNextYear  \\\n",
       "Respondent                                      \n",
       "20900                                     NaN   \n",
       "28235                                     NaN   \n",
       "26082                   ASP.NET Core;React.js   \n",
       "19890                                     NaN   \n",
       "16393                                     NaN   \n",
       "...                                       ...   \n",
       "51360                        Express;React.js   \n",
       "16771                  Angular;Express;Spring   \n",
       "38831                                     NaN   \n",
       "7093                                      NaN   \n",
       "51843       Angular;Angular.js;jQuery;Laravel   \n",
       "\n",
       "                                     WebframeWorkedWith  \\\n",
       "Respondent                                                \n",
       "20900                                               NaN   \n",
       "28235                                               NaN   \n",
       "26082       ASP.NET Core;jQuery;Laravel;React.js;Vue.js   \n",
       "19890                                               NaN   \n",
       "16393                                             Flask   \n",
       "...                                                 ...   \n",
       "51360                       Angular;Angular.js;React.js   \n",
       "16771                            Angular;Express;Spring   \n",
       "38831                                               NaN   \n",
       "7093                                                NaN   \n",
       "51843                 Angular;Angular.js;jQuery;Laravel   \n",
       "\n",
       "                                       WelcomeChange WorkWeekHrs YearsCode  \\\n",
       "Respondent                                                                   \n",
       "20900        Just as welcome now as I felt last year        45.0        23   \n",
       "28235        Just as welcome now as I felt last year        37.0        35   \n",
       "26082          A lot less welcome now than last year        45.0         9   \n",
       "19890       Somewhat less welcome now than last year        40.0        39   \n",
       "16393        Just as welcome now as I felt last year        40.0        10   \n",
       "...                                              ...         ...       ...   \n",
       "51360        Just as welcome now as I felt last year        40.0        10   \n",
       "16771        Just as welcome now as I felt last year        50.0        41   \n",
       "38831                                            NaN         NaN       NaN   \n",
       "7093                                             NaN         NaN       NaN   \n",
       "51843        Just as welcome now as I felt last year         8.0         8   \n",
       "\n",
       "           YearsCodePro  \n",
       "Respondent               \n",
       "20900                15  \n",
       "28235                22  \n",
       "26082                 5  \n",
       "19890                29  \n",
       "16393                 3  \n",
       "...                 ...  \n",
       "51360                 3  \n",
       "16771                24  \n",
       "38831               NaN  \n",
       "7093                NaN  \n",
       "51843                 5  \n",
       "\n",
       "[1000 rows x 60 columns]"
      ]
     },
     "execution_count": 33,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 34,
   "id": "179c5117-74e6-43b5-8f12-74cca7ee29ca",
   "metadata": {},
   "outputs": [],
   "source": [
    "survey_df.reset_index(inplace=True)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 35,
   "id": "4e0e63be-44f3-4216-9493-7605d77676f3",
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
      "text/html": [
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       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
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       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
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       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>Respondent</th>\n",
       "      <th>MainBranch</th>\n",
       "      <th>Hobbyist</th>\n",
       "      <th>Age</th>\n",
       "      <th>Age1stCode</th>\n",
       "      <th>CompFreq</th>\n",
       "      <th>CompTotal</th>\n",
       "      <th>ConvertedComp</th>\n",
       "      <th>Country</th>\n",
       "      <th>CurrencyDesc</th>\n",
       "      <th>...</th>\n",
       "      <th>SurveyEase</th>\n",
       "      <th>SurveyLength</th>\n",
       "      <th>Trans</th>\n",
       "      <th>UndergradMajor</th>\n",
       "      <th>WebframeDesireNextYear</th>\n",
       "      <th>WebframeWorkedWith</th>\n",
       "      <th>WelcomeChange</th>\n",
       "      <th>WorkWeekHrs</th>\n",
       "      <th>YearsCode</th>\n",
       "      <th>YearsCodePro</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>20900</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>10</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>8000.0</td>\n",
       "      <td>53040.0</td>\n",
       "      <td>Bulgaria</td>\n",
       "      <td>Bulgarian lev</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>45.0</td>\n",
       "      <td>23</td>\n",
       "      <td>15</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>28235</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>No</td>\n",
       "      <td>45.0</td>\n",
       "      <td>10</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>670000.0</td>\n",
       "      <td>867480.0</td>\n",
       "      <td>Norway</td>\n",
       "      <td>Norwegian krone</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>37.0</td>\n",
       "      <td>35</td>\n",
       "      <td>22</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>26082</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>23.0</td>\n",
       "      <td>14</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>65000.0</td>\n",
       "      <td>65000.0</td>\n",
       "      <td>United States</td>\n",
       "      <td>United States dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>ASP.NET Core;React.js</td>\n",
       "      <td>ASP.NET Core;jQuery;Laravel;React.js;Vue.js</td>\n",
       "      <td>A lot less welcome now than last year</td>\n",
       "      <td>45.0</td>\n",
       "      <td>9</td>\n",
       "      <td>5</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>19890</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>61.0</td>\n",
       "      <td>21</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Canada</td>\n",
       "      <td>Canadian dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Another engineering discipline (such as civil,...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Somewhat less welcome now than last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>39</td>\n",
       "      <td>29</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>16393</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>25.0</td>\n",
       "      <td>15</td>\n",
       "      <td>Weekly</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Uruguay</td>\n",
       "      <td>Uruguayan peso</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Another engineering discipline (such as civil,...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Flask</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>10</td>\n",
       "      <td>3</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
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       "      <td>...</td>\n",
       "      <td>...</td>\n",
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       "      <td>...</td>\n",
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       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>995</th>\n",
       "      <td>51360</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>26.0</td>\n",
       "      <td>13</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>16000.0</td>\n",
       "      <td>12312.0</td>\n",
       "      <td>Egypt</td>\n",
       "      <td>Egyptian pound</td>\n",
       "      <td>...</td>\n",
       "      <td>Neither easy nor difficult</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Another engineering discipline (such as civil,...</td>\n",
       "      <td>Express;React.js</td>\n",
       "      <td>Angular;Angular.js;React.js</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>10</td>\n",
       "      <td>3</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>996</th>\n",
       "      <td>16771</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>11</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>United States</td>\n",
       "      <td>United States dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Another engineering discipline (such as civil,...</td>\n",
       "      <td>Angular;Express;Spring</td>\n",
       "      <td>Angular;Express;Spring</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>50.0</td>\n",
       "      <td>41</td>\n",
       "      <td>24</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>997</th>\n",
       "      <td>38831</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Netherlands</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>998</th>\n",
       "      <td>7093</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Indonesia</td>\n",
       "      <td>Indonesian rupiah</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>999</th>\n",
       "      <td>51843</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>29.0</td>\n",
       "      <td>20</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>90000.0</td>\n",
       "      <td>10680.0</td>\n",
       "      <td>Kenya</td>\n",
       "      <td>Kenyan shilling</td>\n",
       "      <td>...</td>\n",
       "      <td>Easy</td>\n",
       "      <td>Appropriate in length</td>\n",
       "      <td>No</td>\n",
       "      <td>Information systems, information technology, o...</td>\n",
       "      <td>Angular;Angular.js;jQuery;Laravel</td>\n",
       "      <td>Angular;Angular.js;jQuery;Laravel</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>8.0</td>\n",
       "      <td>8</td>\n",
       "      <td>5</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>1000 rows × 61 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "     Respondent                      MainBranch Hobbyist   Age Age1stCode  \\\n",
       "0         20900  I am a developer by profession      Yes   NaN         10   \n",
       "1         28235  I am a developer by profession       No  45.0         10   \n",
       "2         26082  I am a developer by profession      Yes  23.0         14   \n",
       "3         19890  I am a developer by profession      Yes  61.0         21   \n",
       "4         16393  I am a developer by profession      Yes  25.0         15   \n",
       "..          ...                             ...      ...   ...        ...   \n",
       "995       51360  I am a developer by profession      Yes  26.0         13   \n",
       "996       16771  I am a developer by profession      Yes   NaN         11   \n",
       "997       38831  I am a developer by profession      Yes   NaN        NaN   \n",
       "998        7093  I am a developer by profession      Yes   NaN        NaN   \n",
       "999       51843  I am a developer by profession      Yes  29.0         20   \n",
       "\n",
       "    CompFreq  CompTotal  ConvertedComp        Country          CurrencyDesc  \\\n",
       "0    Monthly     8000.0        53040.0       Bulgaria         Bulgarian lev   \n",
       "1    Monthly   670000.0       867480.0         Norway       Norwegian krone   \n",
       "2     Yearly    65000.0        65000.0  United States  United States dollar   \n",
       "3        NaN        NaN            NaN         Canada       Canadian dollar   \n",
       "4     Weekly        NaN            NaN        Uruguay        Uruguayan peso   \n",
       "..       ...        ...            ...            ...                   ...   \n",
       "995  Monthly    16000.0        12312.0          Egypt        Egyptian pound   \n",
       "996      NaN        NaN            NaN  United States  United States dollar   \n",
       "997      NaN        NaN            NaN    Netherlands                   NaN   \n",
       "998      NaN        NaN            NaN      Indonesia     Indonesian rupiah   \n",
       "999  Monthly    90000.0        10680.0          Kenya       Kenyan shilling   \n",
       "\n",
       "     ...                  SurveyEase           SurveyLength Trans  \\\n",
       "0    ...                         NaN                    NaN    No   \n",
       "1    ...                        Easy  Appropriate in length    No   \n",
       "2    ...                        Easy  Appropriate in length    No   \n",
       "3    ...                        Easy  Appropriate in length   NaN   \n",
       "4    ...                        Easy  Appropriate in length    No   \n",
       "..   ...                         ...                    ...   ...   \n",
       "995  ...  Neither easy nor difficult  Appropriate in length    No   \n",
       "996  ...                         NaN                    NaN   NaN   \n",
       "997  ...                         NaN                    NaN   NaN   \n",
       "998  ...                         NaN                    NaN   NaN   \n",
       "999  ...                        Easy  Appropriate in length    No   \n",
       "\n",
       "                                        UndergradMajor  \\\n",
       "0    Computer science, computer engineering, or sof...   \n",
       "1    Computer science, computer engineering, or sof...   \n",
       "2    Computer science, computer engineering, or sof...   \n",
       "3    Another engineering discipline (such as civil,...   \n",
       "4    Another engineering discipline (such as civil,...   \n",
       "..                                                 ...   \n",
       "995  Another engineering discipline (such as civil,...   \n",
       "996  Another engineering discipline (such as civil,...   \n",
       "997                                                NaN   \n",
       "998                                                NaN   \n",
       "999  Information systems, information technology, o...   \n",
       "\n",
       "                WebframeDesireNextYear  \\\n",
       "0                                  NaN   \n",
       "1                                  NaN   \n",
       "2                ASP.NET Core;React.js   \n",
       "3                                  NaN   \n",
       "4                                  NaN   \n",
       "..                                 ...   \n",
       "995                   Express;React.js   \n",
       "996             Angular;Express;Spring   \n",
       "997                                NaN   \n",
       "998                                NaN   \n",
       "999  Angular;Angular.js;jQuery;Laravel   \n",
       "\n",
       "                              WebframeWorkedWith  \\\n",
       "0                                            NaN   \n",
       "1                                            NaN   \n",
       "2    ASP.NET Core;jQuery;Laravel;React.js;Vue.js   \n",
       "3                                            NaN   \n",
       "4                                          Flask   \n",
       "..                                           ...   \n",
       "995                  Angular;Angular.js;React.js   \n",
       "996                       Angular;Express;Spring   \n",
       "997                                          NaN   \n",
       "998                                          NaN   \n",
       "999            Angular;Angular.js;jQuery;Laravel   \n",
       "\n",
       "                                WelcomeChange WorkWeekHrs YearsCode  \\\n",
       "0     Just as welcome now as I felt last year        45.0        23   \n",
       "1     Just as welcome now as I felt last year        37.0        35   \n",
       "2       A lot less welcome now than last year        45.0         9   \n",
       "3    Somewhat less welcome now than last year        40.0        39   \n",
       "4     Just as welcome now as I felt last year        40.0        10   \n",
       "..                                        ...         ...       ...   \n",
       "995   Just as welcome now as I felt last year        40.0        10   \n",
       "996   Just as welcome now as I felt last year        50.0        41   \n",
       "997                                       NaN         NaN       NaN   \n",
       "998                                       NaN         NaN       NaN   \n",
       "999   Just as welcome now as I felt last year         8.0         8   \n",
       "\n",
       "    YearsCodePro  \n",
       "0             15  \n",
       "1             22  \n",
       "2              5  \n",
       "3             29  \n",
       "4              3  \n",
       "..           ...  \n",
       "995            3  \n",
       "996           24  \n",
       "997          NaN  \n",
       "998          NaN  \n",
       "999            5  \n",
       "\n",
       "[1000 rows x 61 columns]"
      ]
     },
     "execution_count": 35,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 38,
   "id": "b7be28ad-b8a8-4a9c-a1e9-6379ced5847e",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "Index(['Respondent', 'MainBranch', 'Hobbyist', 'Age', 'Age1stCode', 'CompFreq',\n",
       "       'CompTotal', 'ConvertedComp', 'Country', 'CurrencyDesc',\n",
       "       'CurrencySymbol', 'DatabaseDesireNextYear', 'DatabaseWorkedWith',\n",
       "       'DevType', 'EdLevel', 'Employment', 'Ethnicity', 'Gender', 'JobFactors',\n",
       "       'JobSat', 'JobSeek', 'LanguageDesireNextYear', 'LanguageWorkedWith',\n",
       "       'MiscTechDesireNextYear', 'MiscTechWorkedWith',\n",
       "       'NEWCollabToolsDesireNextYear', 'NEWCollabToolsWorkedWith', 'NEWDevOps',\n",
       "       'NEWDevOpsImpt', 'NEWEdImpt', 'NEWJobHunt', 'NEWJobHuntResearch',\n",
       "       'NEWLearn', 'NEWOffTopic', 'NEWOnboardGood', 'NEWOtherComms',\n",
       "       'NEWOvertime', 'NEWPurchaseResearch', 'NEWPurpleLink', 'NEWSOSites',\n",
       "       'NEWStuck', 'OpSys', 'OrgSize', 'PlatformDesireNextYear',\n",
       "       'PlatformWorkedWith', 'PurchaseWhat', 'Sexuality', 'SOAccount',\n",
       "       'SOComm', 'SOPartFreq', 'SOVisitFreq', 'SurveyEase', 'SurveyLength',\n",
       "       'Trans', 'UndergradMajor', 'WebframeDesireNextYear',\n",
       "       'WebframeWorkedWith', 'WelcomeChange', 'WorkWeekHrs', 'YearsCode',\n",
       "       'YearsCodePro'],\n",
       "      dtype='object')"
      ]
     },
     "execution_count": 38,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.columns"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 43,
   "id": "bbec2a08-e088-4516-b57f-89eb49bee240",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "(1000, 61)"
      ]
     },
     "execution_count": 43,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.shape"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 46,
   "id": "8a34c23e-a1f7-4e97-8e1f-054903b52980",
   "metadata": {},
   "outputs": [],
   "source": [
    "survey_df.rename(columns = {'Age': 'user age', 'OrgSize': 'Organization Size'}, inplace=True)\n",
    "# 转换列名（Age => user age，OrgSize => Organization Size)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 47,
   "id": "26384754-df97-42ce-a40d-16c8570fdd3a",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "Index(['Respondent', 'MainBranch', 'Hobbyist', 'user age', 'Age1stCode',\n",
       "       'CompFreq', 'CompTotal', 'ConvertedComp', 'Country', 'CurrencyDesc',\n",
       "       'CurrencySymbol', 'DatabaseDesireNextYear', 'DatabaseWorkedWith',\n",
       "       'DevType', 'EdLevel', 'Employment', 'Ethnicity', 'Gender', 'JobFactors',\n",
       "       'JobSat', 'JobSeek', 'LanguageDesireNextYear', 'LanguageWorkedWith',\n",
       "       'MiscTechDesireNextYear', 'MiscTechWorkedWith',\n",
       "       'NEWCollabToolsDesireNextYear', 'NEWCollabToolsWorkedWith', 'NEWDevOps',\n",
       "       'NEWDevOpsImpt', 'NEWEdImpt', 'NEWJobHunt', 'NEWJobHuntResearch',\n",
       "       'NEWLearn', 'NEWOffTopic', 'NEWOnboardGood', 'NEWOtherComms',\n",
       "       'NEWOvertime', 'NEWPurchaseResearch', 'NEWPurpleLink', 'NEWSOSites',\n",
       "       'NEWStuck', 'OpSys', 'Organization Size', 'PlatformDesireNextYear',\n",
       "       'PlatformWorkedWith', 'PurchaseWhat', 'Sexuality', 'SOAccount',\n",
       "       'SOComm', 'SOPartFreq', 'SOVisitFreq', 'SurveyEase', 'SurveyLength',\n",
       "       'Trans', 'UndergradMajor', 'WebframeDesireNextYear',\n",
       "       'WebframeWorkedWith', 'WelcomeChange', 'WorkWeekHrs', 'YearsCode',\n",
       "       'YearsCodePro'],\n",
       "      dtype='object')"
      ]
     },
     "execution_count": 47,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.columns"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 50,
   "id": "f4c93a5e-a294-4528-9bc8-6879dbd17e29",
   "metadata": {},
   "outputs": [],
   "source": [
    "survey_df.columns = survey_df.columns.str.replace(' ', '_')\n",
    "# 将列名中的空格换成下划线\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 51,
   "id": "b372213d-e0c8-4783-951a-6cdc89281ed8",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "Index(['Respondent', 'MainBranch', 'Hobbyist', 'user_age', 'Age1stCode',\n",
       "       'CompFreq', 'CompTotal', 'ConvertedComp', 'Country', 'CurrencyDesc',\n",
       "       'CurrencySymbol', 'DatabaseDesireNextYear', 'DatabaseWorkedWith',\n",
       "       'DevType', 'EdLevel', 'Employment', 'Ethnicity', 'Gender', 'JobFactors',\n",
       "       'JobSat', 'JobSeek', 'LanguageDesireNextYear', 'LanguageWorkedWith',\n",
       "       'MiscTechDesireNextYear', 'MiscTechWorkedWith',\n",
       "       'NEWCollabToolsDesireNextYear', 'NEWCollabToolsWorkedWith', 'NEWDevOps',\n",
       "       'NEWDevOpsImpt', 'NEWEdImpt', 'NEWJobHunt', 'NEWJobHuntResearch',\n",
       "       'NEWLearn', 'NEWOffTopic', 'NEWOnboardGood', 'NEWOtherComms',\n",
       "       'NEWOvertime', 'NEWPurchaseResearch', 'NEWPurpleLink', 'NEWSOSites',\n",
       "       'NEWStuck', 'OpSys', 'Organization_Size', 'PlatformDesireNextYear',\n",
       "       'PlatformWorkedWith', 'PurchaseWhat', 'Sexuality', 'SOAccount',\n",
       "       'SOComm', 'SOPartFreq', 'SOVisitFreq', 'SurveyEase', 'SurveyLength',\n",
       "       'Trans', 'UndergradMajor', 'WebframeDesireNextYear',\n",
       "       'WebframeWorkedWith', 'WelcomeChange', 'WorkWeekHrs', 'YearsCode',\n",
       "       'YearsCodePro'],\n",
       "      dtype='object')"
      ]
     },
     "execution_count": 51,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.columns"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 60,
   "id": "ae363f2d-f7ba-4dc4-9d5c-1ccfdbd2ce75",
   "metadata": {},
   "outputs": [],
   "source": [
    "survey_df.columns = survey_df.columns.str.lower()\n",
    "# 将列名全部小写"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 61,
   "id": "d6c5b61d-b8e6-43b3-b870-8bff4e0b25a5",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "Index(['respondent', 'mainbranch', 'hobbyist', 'user_age', 'age1stcode',\n",
       "       'compfreq', 'comptotal', 'convertedcomp', 'country', 'currencydesc',\n",
       "       'currencysymbol', 'databasedesirenextyear', 'databaseworkedwith',\n",
       "       'devtype', 'edlevel', 'employment', 'ethnicity', 'gender', 'jobfactors',\n",
       "       'jobsat', 'jobseek', 'languagedesirenextyear', 'languageworkedwith',\n",
       "       'misctechdesirenextyear', 'misctechworkedwith',\n",
       "       'newcollabtoolsdesirenextyear', 'newcollabtoolsworkedwith', 'newdevops',\n",
       "       'newdevopsimpt', 'newedimpt', 'newjobhunt', 'newjobhuntresearch',\n",
       "       'newlearn', 'newofftopic', 'newonboardgood', 'newothercomms',\n",
       "       'newovertime', 'newpurchaseresearch', 'newpurplelink', 'newsosites',\n",
       "       'newstuck', 'opsys', 'organization_size', 'platformdesirenextyear',\n",
       "       'platformworkedwith', 'purchasewhat', 'sexuality', 'soaccount',\n",
       "       'socomm', 'sopartfreq', 'sovisitfreq', 'surveyease', 'surveylength',\n",
       "       'trans', 'undergradmajor', 'webframedesirenextyear',\n",
       "       'webframeworkedwith', 'welcomechange', 'workweekhrs', 'yearscode',\n",
       "       'yearscodepro'],\n",
       "      dtype='object')"
      ]
     },
     "execution_count": 61,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.columns"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 64,
   "id": "855d9b94-c803-468a-a32b-afeff3638dfe",
   "metadata": {},
   "outputs": [],
   "source": [
    "survey_df.columns =  [col.upper() for col in survey_df.columns]\n",
    "# 另外一种改变列名大小写的方式"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 65,
   "id": "a42e9e36-19dd-4df0-bd23-a479ae280a19",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "Index(['RESPONDENT', 'MAINBRANCH', 'HOBBYIST', 'USER_AGE', 'AGE1STCODE',\n",
       "       'COMPFREQ', 'COMPTOTAL', 'CONVERTEDCOMP', 'COUNTRY', 'CURRENCYDESC',\n",
       "       'CURRENCYSYMBOL', 'DATABASEDESIRENEXTYEAR', 'DATABASEWORKEDWITH',\n",
       "       'DEVTYPE', 'EDLEVEL', 'EMPLOYMENT', 'ETHNICITY', 'GENDER', 'JOBFACTORS',\n",
       "       'JOBSAT', 'JOBSEEK', 'LANGUAGEDESIRENEXTYEAR', 'LANGUAGEWORKEDWITH',\n",
       "       'MISCTECHDESIRENEXTYEAR', 'MISCTECHWORKEDWITH',\n",
       "       'NEWCOLLABTOOLSDESIRENEXTYEAR', 'NEWCOLLABTOOLSWORKEDWITH', 'NEWDEVOPS',\n",
       "       'NEWDEVOPSIMPT', 'NEWEDIMPT', 'NEWJOBHUNT', 'NEWJOBHUNTRESEARCH',\n",
       "       'NEWLEARN', 'NEWOFFTOPIC', 'NEWONBOARDGOOD', 'NEWOTHERCOMMS',\n",
       "       'NEWOVERTIME', 'NEWPURCHASERESEARCH', 'NEWPURPLELINK', 'NEWSOSITES',\n",
       "       'NEWSTUCK', 'OPSYS', 'ORGANIZATION_SIZE', 'PLATFORMDESIRENEXTYEAR',\n",
       "       'PLATFORMWORKEDWITH', 'PURCHASEWHAT', 'SEXUALITY', 'SOACCOUNT',\n",
       "       'SOCOMM', 'SOPARTFREQ', 'SOVISITFREQ', 'SURVEYEASE', 'SURVEYLENGTH',\n",
       "       'TRANS', 'UNDERGRADMAJOR', 'WEBFRAMEDESIRENEXTYEAR',\n",
       "       'WEBFRAMEWORKEDWITH', 'WELCOMECHANGE', 'WORKWEEKHRS', 'YEARSCODE',\n",
       "       'YEARSCODEPRO'],\n",
       "      dtype='object')"
      ]
     },
     "execution_count": 65,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.columns"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 66,
   "id": "2cdf8ebe-0184-4f3f-ab38-6de824fc9c7d",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "Index(['Respondent', 'Mainbranch', 'Hobbyist', 'User_age', 'Age1stcode',\n",
       "       'Compfreq', 'Comptotal', 'Convertedcomp', 'Country', 'Currencydesc',\n",
       "       'Currencysymbol', 'Databasedesirenextyear', 'Databaseworkedwith',\n",
       "       'Devtype', 'Edlevel', 'Employment', 'Ethnicity', 'Gender', 'Jobfactors',\n",
       "       'Jobsat', 'Jobseek', 'Languagedesirenextyear', 'Languageworkedwith',\n",
       "       'Misctechdesirenextyear', 'Misctechworkedwith',\n",
       "       'Newcollabtoolsdesirenextyear', 'Newcollabtoolsworkedwith', 'Newdevops',\n",
       "       'Newdevopsimpt', 'Newedimpt', 'Newjobhunt', 'Newjobhuntresearch',\n",
       "       'Newlearn', 'Newofftopic', 'Newonboardgood', 'Newothercomms',\n",
       "       'Newovertime', 'Newpurchaseresearch', 'Newpurplelink', 'Newsosites',\n",
       "       'Newstuck', 'Opsys', 'Organization_size', 'Platformdesirenextyear',\n",
       "       'Platformworkedwith', 'Purchasewhat', 'Sexuality', 'Soaccount',\n",
       "       'Socomm', 'Sopartfreq', 'Sovisitfreq', 'Surveyease', 'Surveylength',\n",
       "       'Trans', 'Undergradmajor', 'Webframedesirenextyear',\n",
       "       'Webframeworkedwith', 'Welcomechange', 'Workweekhrs', 'Yearscode',\n",
       "       'Yearscodepro'],\n",
       "      dtype='object')"
      ]
     },
     "execution_count": 66,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.columns = survey_df.columns.str.capitalize()\n",
    "# 将列标题改为首字母大写\n",
    "survey_df.columns"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 67,
   "id": "d43ebe77-0a94-49e4-858e-dfa0a0f6ae52",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0      I’M NOT ACTIVELY LOOKING, BUT I AM OPEN TO NEW...\n",
       "1      I’M NOT ACTIVELY LOOKING, BUT I AM OPEN TO NEW...\n",
       "2      I’M NOT ACTIVELY LOOKING, BUT I AM OPEN TO NEW...\n",
       "3      I’M NOT ACTIVELY LOOKING, BUT I AM OPEN TO NEW...\n",
       "4      I’M NOT ACTIVELY LOOKING, BUT I AM OPEN TO NEW...\n",
       "                             ...                        \n",
       "995    I’M NOT ACTIVELY LOOKING, BUT I AM OPEN TO NEW...\n",
       "996         I AM NOT INTERESTED IN NEW JOB OPPORTUNITIES\n",
       "997                                                  NaN\n",
       "998                      I AM ACTIVELY LOOKING FOR A JOB\n",
       "999    I’M NOT ACTIVELY LOOKING, BUT I AM OPEN TO NEW...\n",
       "Name: Jobseek, Length: 1000, dtype: object"
      ]
     },
     "execution_count": 67,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df['Jobseek'].str.upper()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 68,
   "id": "a9111724-50f4-45eb-91cb-2c3e127f1ff0",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0      I’m not actively looking, but I am open to new...\n",
       "1      I’m not actively looking, but I am open to new...\n",
       "2      I’m not actively looking, but I am open to new...\n",
       "3      I’m not actively looking, but I am open to new...\n",
       "4      I’m not actively looking, but I am open to new...\n",
       "                             ...                        \n",
       "995    I’m not actively looking, but I am open to new...\n",
       "996         I am not interested in new job opportunities\n",
       "997                                                  NaN\n",
       "998                      I am actively looking for a job\n",
       "999    I’m not actively looking, but I am open to new...\n",
       "Name: Jobseek, Length: 1000, dtype: object"
      ]
     },
     "execution_count": 68,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df['Jobseek']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 69,
   "id": "6afb2eb3-bca5-4e4a-ac78-c2c9aee9bf4c",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0      I’M NOT ACTIVELY LOOKING, BUT I AM OPEN TO NEW...\n",
       "1      I’M NOT ACTIVELY LOOKING, BUT I AM OPEN TO NEW...\n",
       "2      I’M NOT ACTIVELY LOOKING, BUT I AM OPEN TO NEW...\n",
       "3      I’M NOT ACTIVELY LOOKING, BUT I AM OPEN TO NEW...\n",
       "4      I’M NOT ACTIVELY LOOKING, BUT I AM OPEN TO NEW...\n",
       "                             ...                        \n",
       "995    I’M NOT ACTIVELY LOOKING, BUT I AM OPEN TO NEW...\n",
       "996         I AM NOT INTERESTED IN NEW JOB OPPORTUNITIES\n",
       "997                                                  NaN\n",
       "998                      I AM ACTIVELY LOOKING FOR A JOB\n",
       "999    I’M NOT ACTIVELY LOOKING, BUT I AM OPEN TO NEW...\n",
       "Name: Jobseek, Length: 1000, dtype: object"
      ]
     },
     "execution_count": 69,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df['Jobseek'] = survey_df['Jobseek'].str.upper()\n",
    "#将变化应用到原数据\n",
    "survey_df['Jobseek']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 70,
   "id": "1ef8b990-2cb6-4166-a0bd-dd8a7960f7c0",
   "metadata": {},
   "outputs": [],
   "source": [
    "survey_df.rename(columns = {'Jobseek': 'jobseek'}, inplace=True)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 73,
   "id": "c360cfe2-43a9-4199-8988-f472024cf539",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0      I’M NOT ACTIVELY LOOKING, BUT I AM OPEN TO NEW...\n",
       "1      I’M NOT ACTIVELY LOOKING, BUT I AM OPEN TO NEW...\n",
       "2      I’M NOT ACTIVELY LOOKING, BUT I AM OPEN TO NEW...\n",
       "3      I’M NOT ACTIVELY LOOKING, BUT I AM OPEN TO NEW...\n",
       "4      I’M NOT ACTIVELY LOOKING, BUT I AM OPEN TO NEW...\n",
       "                             ...                        \n",
       "995    I’M NOT ACTIVELY LOOKING, BUT I AM OPEN TO NEW...\n",
       "996         I AM NOT INTERESTED IN NEW JOB OPPORTUNITIES\n",
       "997                                                  NaN\n",
       "998                      I AM ACTIVELY LOOKING FOR A JOB\n",
       "999    I’M NOT ACTIVELY LOOKING, BUT I AM OPEN TO NEW...\n",
       "Name: jobseek, Length: 1000, dtype: object"
      ]
     },
     "execution_count": 73,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df['jobseek']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 74,
   "id": "1033b128-2e61-4e25-adf9-1f3ffc845725",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "Index(['respondent', 'mainbranch', 'hobbyist', 'user_age', 'age1stcode',\n",
       "       'compfreq', 'comptotal', 'convertedcomp', 'country', 'currencydesc',\n",
       "       'currencysymbol', 'databasedesirenextyear', 'databaseworkedwith',\n",
       "       'devtype', 'edlevel', 'employment', 'ethnicity', 'gender', 'jobfactors',\n",
       "       'jobsat', 'jobseek', 'languagedesirenextyear', 'languageworkedwith',\n",
       "       'misctechdesirenextyear', 'misctechworkedwith',\n",
       "       'newcollabtoolsdesirenextyear', 'newcollabtoolsworkedwith', 'newdevops',\n",
       "       'newdevopsimpt', 'newedimpt', 'newjobhunt', 'newjobhuntresearch',\n",
       "       'newlearn', 'newofftopic', 'newonboardgood', 'newothercomms',\n",
       "       'newovertime', 'newpurchaseresearch', 'newpurplelink', 'newsosites',\n",
       "       'newstuck', 'opsys', 'organization_size', 'platformdesirenextyear',\n",
       "       'platformworkedwith', 'purchasewhat', 'sexuality', 'soaccount',\n",
       "       'socomm', 'sopartfreq', 'sovisitfreq', 'surveyease', 'surveylength',\n",
       "       'trans', 'undergradmajor', 'webframedesirenextyear',\n",
       "       'webframeworkedwith', 'welcomechange', 'workweekhrs', 'yearscode',\n",
       "       'yearscodepro'],\n",
       "      dtype='object')"
      ]
     },
     "execution_count": 74,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.columns.str.lower()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 75,
   "id": "c5d9a3d8-f280-41b9-90c2-7ae43b980a8f",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "Index(['Respondent', 'Mainbranch', 'Hobbyist', 'User_age', 'Age1stcode',\n",
       "       'Compfreq', 'Comptotal', 'Convertedcomp', 'Country', 'Currencydesc',\n",
       "       'Currencysymbol', 'Databasedesirenextyear', 'Databaseworkedwith',\n",
       "       'Devtype', 'Edlevel', 'Employment', 'Ethnicity', 'Gender', 'Jobfactors',\n",
       "       'Jobsat', 'jobseek', 'Languagedesirenextyear', 'Languageworkedwith',\n",
       "       'Misctechdesirenextyear', 'Misctechworkedwith',\n",
       "       'Newcollabtoolsdesirenextyear', 'Newcollabtoolsworkedwith', 'Newdevops',\n",
       "       'Newdevopsimpt', 'Newedimpt', 'Newjobhunt', 'Newjobhuntresearch',\n",
       "       'Newlearn', 'Newofftopic', 'Newonboardgood', 'Newothercomms',\n",
       "       'Newovertime', 'Newpurchaseresearch', 'Newpurplelink', 'Newsosites',\n",
       "       'Newstuck', 'Opsys', 'Organization_size', 'Platformdesirenextyear',\n",
       "       'Platformworkedwith', 'Purchasewhat', 'Sexuality', 'Soaccount',\n",
       "       'Socomm', 'Sopartfreq', 'Sovisitfreq', 'Surveyease', 'Surveylength',\n",
       "       'Trans', 'Undergradmajor', 'Webframedesirenextyear',\n",
       "       'Webframeworkedwith', 'Welcomechange', 'Workweekhrs', 'Yearscode',\n",
       "       'Yearscodepro'],\n",
       "      dtype='object')"
      ]
     },
     "execution_count": 75,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.columns"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 86,
   "id": "20922f95-6640-4a58-bb2e-a6e4af54445e",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "Index(['respondent', 'mainbranch', 'hobbyist', 'user_age', 'age1stcode',\n",
       "       'compfreq', 'comptotal', 'convertedcomp', 'country', 'currencydesc',\n",
       "       'currencysymbol', 'databasedesirenextyear', 'databaseworkedwith',\n",
       "       'devtype', 'edlevel', 'employment', 'ethnicity', 'gender', 'jobfactors',\n",
       "       'jobsat', 'jobseek', 'languagedesirenextyear', 'languageworkedwith',\n",
       "       'misctechdesirenextyear', 'misctechworkedwith',\n",
       "       'newcollabtoolsdesirenextyear', 'newcollabtoolsworkedwith', 'newdevops',\n",
       "       'newdevopsimpt', 'newedimpt', 'newjobhunt', 'newjobhuntresearch',\n",
       "       'newlearn', 'newofftopic', 'newonboardgood', 'newothercomms',\n",
       "       'newovertime', 'newpurchaseresearch', 'newpurplelink', 'newsosites',\n",
       "       'newstuck', 'opsys', 'organization_size', 'platformdesirenextyear',\n",
       "       'platformworkedwith', 'purchasewhat', 'sexuality', 'soaccount',\n",
       "       'socomm', 'sopartfreq', 'sovisitfreq', 'surveyease', 'surveylength',\n",
       "       'trans', 'undergradmajor', 'webframedesirenextyear',\n",
       "       'webframeworkedwith', 'welcomechange', 'workweekhrs', 'yearscode',\n",
       "       'yearscodepro', 'age_group'],\n",
       "      dtype='object')"
      ]
     },
     "execution_count": 86,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.columns = survey_df.columns.str.lower()\n",
    "survey_df.columns"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 87,
   "id": "dcaf65c8-6bff-4dcc-a7d1-cd357a4e8c4d",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'Yes'"
      ]
     },
     "execution_count": 87,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.loc[2, 'trans']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 88,
   "id": "0858b90c-58ee-406e-8e8c-0148bccf45b2",
   "metadata": {},
   "outputs": [],
   "source": [
    "survey_df.loc[2, 'trans'] = 'Yes'\n",
    "# 将index为2的数据上的trans列改为Yes"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 89,
   "id": "a91d3357-fbbc-4035-9f14-b5dc85727550",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'Yes'"
      ]
     },
     "execution_count": 89,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.loc[2, 'trans']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 90,
   "id": "26d1062d-425b-4e2a-98d4-93d4258b1f6e",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "trans         Yes\n",
       "user_age     29.0\n",
       "country     China\n",
       "Name: 2, dtype: object"
      ]
     },
     "execution_count": 90,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.loc[2, ['trans', 'user_age', 'country']]  = ['Yes', 29, 'China'] \n",
    "# 将特定行的三列数据进行改变\n",
    "survey_df.loc[2, ['trans', 'user_age', 'country']] "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 91,
   "id": "c1ff4d91-7a4e-4b8b-889f-4dd842a5f2c9",
   "metadata": {},
   "outputs": [],
   "source": [
    "survey_df.loc[survey_df['user_age'] < 18, ['age_group']] = 'young'\n",
    "# 创建一个age_group列，对于那些年龄小于18的用户，将此列的数据改为为 young"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 92,
   "id": "e1217391-40d2-43cb-b75c-e9f2bfea4715",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0      NaN\n",
       "1      NaN\n",
       "2      NaN\n",
       "3      NaN\n",
       "4      NaN\n",
       "      ... \n",
       "995    NaN\n",
       "996    NaN\n",
       "997    NaN\n",
       "998    NaN\n",
       "999    NaN\n",
       "Name: age_group, Length: 1000, dtype: object"
      ]
     },
     "execution_count": 92,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df['age_group']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 93,
   "id": "b2335504-060f-4234-8617-e51c2bf315b6",
   "metadata": {},
   "outputs": [],
   "source": [
    "survey_df.loc[survey_df['user_age'] > 18, ['age_group']] = 'adult'\n",
    "# 创建一个age_group列，对于那些年龄大于18的用户，将此列的数据改为为 adult"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 94,
   "id": "03691ef1-161e-4574-b4ee-8f240d4eaa25",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0        NaN\n",
       "1      adult\n",
       "2      adult\n",
       "3      adult\n",
       "4      adult\n",
       "       ...  \n",
       "995    adult\n",
       "996      NaN\n",
       "997      NaN\n",
       "998      NaN\n",
       "999    adult\n",
       "Name: age_group, Length: 1000, dtype: object"
      ]
     },
     "execution_count": 94,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df['age_group']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 99,
   "id": "a773accc-c40b-4452-b658-eb6765cadc5c",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "692"
      ]
     },
     "execution_count": 99,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df['age_group'].count()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 100,
   "id": "865160d3-d61a-403c-a898-e8d3707d67da",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0                                NaN\n",
       "1                                NaN\n",
       "2      ManStraight / HeterosexualYes\n",
       "3                                NaN\n",
       "4       ManStraight / HeterosexualNo\n",
       "                   ...              \n",
       "995     ManStraight / HeterosexualNo\n",
       "996                              NaN\n",
       "997                              NaN\n",
       "998                              NaN\n",
       "999     ManStraight / HeterosexualNo\n",
       "Length: 1000, dtype: object"
      ]
     },
     "execution_count": 100,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df['gender'] + survey_df['sexuality'] + survey_df['trans'] # 将性别相关的列合在一起"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 101,
   "id": "a4ae3c7b-a9d6-4796-9982-91a10ebe00ff",
   "metadata": {},
   "outputs": [],
   "source": [
    "survey_df['gen_col'] = survey_df['gender'] + survey_df['sexuality'] + survey_df['trans'] # 将合起来的值写入gen_col列"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 102,
   "id": "df3d3e26-b350-47f6-b74e-9437092914ef",
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>respondent</th>\n",
       "      <th>mainbranch</th>\n",
       "      <th>hobbyist</th>\n",
       "      <th>user_age</th>\n",
       "      <th>age1stcode</th>\n",
       "      <th>compfreq</th>\n",
       "      <th>comptotal</th>\n",
       "      <th>convertedcomp</th>\n",
       "      <th>country</th>\n",
       "      <th>currencydesc</th>\n",
       "      <th>...</th>\n",
       "      <th>trans</th>\n",
       "      <th>undergradmajor</th>\n",
       "      <th>webframedesirenextyear</th>\n",
       "      <th>webframeworkedwith</th>\n",
       "      <th>welcomechange</th>\n",
       "      <th>workweekhrs</th>\n",
       "      <th>yearscode</th>\n",
       "      <th>yearscodepro</th>\n",
       "      <th>age_group</th>\n",
       "      <th>gen_col</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>20900</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>10</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>8000.0</td>\n",
       "      <td>53040.0</td>\n",
       "      <td>Bulgaria</td>\n",
       "      <td>Bulgarian lev</td>\n",
       "      <td>...</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>45.0</td>\n",
       "      <td>23</td>\n",
       "      <td>15</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>28235</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>No</td>\n",
       "      <td>45.0</td>\n",
       "      <td>10</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>670000.0</td>\n",
       "      <td>867480.0</td>\n",
       "      <td>Norway</td>\n",
       "      <td>Norwegian krone</td>\n",
       "      <td>...</td>\n",
       "      <td>No</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>37.0</td>\n",
       "      <td>35</td>\n",
       "      <td>22</td>\n",
       "      <td>adult</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>26082</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>29.0</td>\n",
       "      <td>14</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>65000.0</td>\n",
       "      <td>65000.0</td>\n",
       "      <td>China</td>\n",
       "      <td>United States dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>Yes</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>ASP.NET Core;React.js</td>\n",
       "      <td>ASP.NET Core;jQuery;Laravel;React.js;Vue.js</td>\n",
       "      <td>A lot less welcome now than last year</td>\n",
       "      <td>45.0</td>\n",
       "      <td>9</td>\n",
       "      <td>5</td>\n",
       "      <td>adult</td>\n",
       "      <td>ManStraight / HeterosexualYes</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>19890</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>61.0</td>\n",
       "      <td>21</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Canada</td>\n",
       "      <td>Canadian dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Another engineering discipline (such as civil,...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Somewhat less welcome now than last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>39</td>\n",
       "      <td>29</td>\n",
       "      <td>adult</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>16393</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>25.0</td>\n",
       "      <td>15</td>\n",
       "      <td>Weekly</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Uruguay</td>\n",
       "      <td>Uruguayan peso</td>\n",
       "      <td>...</td>\n",
       "      <td>No</td>\n",
       "      <td>Another engineering discipline (such as civil,...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Flask</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>10</td>\n",
       "      <td>3</td>\n",
       "      <td>adult</td>\n",
       "      <td>ManStraight / HeterosexualNo</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>995</th>\n",
       "      <td>51360</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>26.0</td>\n",
       "      <td>13</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>16000.0</td>\n",
       "      <td>12312.0</td>\n",
       "      <td>Egypt</td>\n",
       "      <td>Egyptian pound</td>\n",
       "      <td>...</td>\n",
       "      <td>No</td>\n",
       "      <td>Another engineering discipline (such as civil,...</td>\n",
       "      <td>Express;React.js</td>\n",
       "      <td>Angular;Angular.js;React.js</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>10</td>\n",
       "      <td>3</td>\n",
       "      <td>adult</td>\n",
       "      <td>ManStraight / HeterosexualNo</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>996</th>\n",
       "      <td>16771</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>11</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>United States</td>\n",
       "      <td>United States dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Another engineering discipline (such as civil,...</td>\n",
       "      <td>Angular;Express;Spring</td>\n",
       "      <td>Angular;Express;Spring</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>50.0</td>\n",
       "      <td>41</td>\n",
       "      <td>24</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>997</th>\n",
       "      <td>38831</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Netherlands</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>998</th>\n",
       "      <td>7093</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Indonesia</td>\n",
       "      <td>Indonesian rupiah</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>999</th>\n",
       "      <td>51843</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>29.0</td>\n",
       "      <td>20</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>90000.0</td>\n",
       "      <td>10680.0</td>\n",
       "      <td>Kenya</td>\n",
       "      <td>Kenyan shilling</td>\n",
       "      <td>...</td>\n",
       "      <td>No</td>\n",
       "      <td>Information systems, information technology, o...</td>\n",
       "      <td>Angular;Angular.js;jQuery;Laravel</td>\n",
       "      <td>Angular;Angular.js;jQuery;Laravel</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>8.0</td>\n",
       "      <td>8</td>\n",
       "      <td>5</td>\n",
       "      <td>adult</td>\n",
       "      <td>ManStraight / HeterosexualNo</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>1000 rows × 63 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "     respondent                      mainbranch hobbyist  user_age age1stcode  \\\n",
       "0         20900  I am a developer by profession      Yes       NaN         10   \n",
       "1         28235  I am a developer by profession       No      45.0         10   \n",
       "2         26082  I am a developer by profession      Yes      29.0         14   \n",
       "3         19890  I am a developer by profession      Yes      61.0         21   \n",
       "4         16393  I am a developer by profession      Yes      25.0         15   \n",
       "..          ...                             ...      ...       ...        ...   \n",
       "995       51360  I am a developer by profession      Yes      26.0         13   \n",
       "996       16771  I am a developer by profession      Yes       NaN         11   \n",
       "997       38831  I am a developer by profession      Yes       NaN        NaN   \n",
       "998        7093  I am a developer by profession      Yes       NaN        NaN   \n",
       "999       51843  I am a developer by profession      Yes      29.0         20   \n",
       "\n",
       "    compfreq  comptotal  convertedcomp        country          currencydesc  \\\n",
       "0    Monthly     8000.0        53040.0       Bulgaria         Bulgarian lev   \n",
       "1    Monthly   670000.0       867480.0         Norway       Norwegian krone   \n",
       "2     Yearly    65000.0        65000.0          China  United States dollar   \n",
       "3        NaN        NaN            NaN         Canada       Canadian dollar   \n",
       "4     Weekly        NaN            NaN        Uruguay        Uruguayan peso   \n",
       "..       ...        ...            ...            ...                   ...   \n",
       "995  Monthly    16000.0        12312.0          Egypt        Egyptian pound   \n",
       "996      NaN        NaN            NaN  United States  United States dollar   \n",
       "997      NaN        NaN            NaN    Netherlands                   NaN   \n",
       "998      NaN        NaN            NaN      Indonesia     Indonesian rupiah   \n",
       "999  Monthly    90000.0        10680.0          Kenya       Kenyan shilling   \n",
       "\n",
       "     ... trans                                     undergradmajor  \\\n",
       "0    ...    No  Computer science, computer engineering, or sof...   \n",
       "1    ...    No  Computer science, computer engineering, or sof...   \n",
       "2    ...   Yes  Computer science, computer engineering, or sof...   \n",
       "3    ...   NaN  Another engineering discipline (such as civil,...   \n",
       "4    ...    No  Another engineering discipline (such as civil,...   \n",
       "..   ...   ...                                                ...   \n",
       "995  ...    No  Another engineering discipline (such as civil,...   \n",
       "996  ...   NaN  Another engineering discipline (such as civil,...   \n",
       "997  ...   NaN                                                NaN   \n",
       "998  ...   NaN                                                NaN   \n",
       "999  ...    No  Information systems, information technology, o...   \n",
       "\n",
       "                webframedesirenextyear  \\\n",
       "0                                  NaN   \n",
       "1                                  NaN   \n",
       "2                ASP.NET Core;React.js   \n",
       "3                                  NaN   \n",
       "4                                  NaN   \n",
       "..                                 ...   \n",
       "995                   Express;React.js   \n",
       "996             Angular;Express;Spring   \n",
       "997                                NaN   \n",
       "998                                NaN   \n",
       "999  Angular;Angular.js;jQuery;Laravel   \n",
       "\n",
       "                              webframeworkedwith  \\\n",
       "0                                            NaN   \n",
       "1                                            NaN   \n",
       "2    ASP.NET Core;jQuery;Laravel;React.js;Vue.js   \n",
       "3                                            NaN   \n",
       "4                                          Flask   \n",
       "..                                           ...   \n",
       "995                  Angular;Angular.js;React.js   \n",
       "996                       Angular;Express;Spring   \n",
       "997                                          NaN   \n",
       "998                                          NaN   \n",
       "999            Angular;Angular.js;jQuery;Laravel   \n",
       "\n",
       "                                welcomechange workweekhrs yearscode  \\\n",
       "0     Just as welcome now as I felt last year        45.0        23   \n",
       "1     Just as welcome now as I felt last year        37.0        35   \n",
       "2       A lot less welcome now than last year        45.0         9   \n",
       "3    Somewhat less welcome now than last year        40.0        39   \n",
       "4     Just as welcome now as I felt last year        40.0        10   \n",
       "..                                        ...         ...       ...   \n",
       "995   Just as welcome now as I felt last year        40.0        10   \n",
       "996   Just as welcome now as I felt last year        50.0        41   \n",
       "997                                       NaN         NaN       NaN   \n",
       "998                                       NaN         NaN       NaN   \n",
       "999   Just as welcome now as I felt last year         8.0         8   \n",
       "\n",
       "    yearscodepro age_group                        gen_col  \n",
       "0             15       NaN                            NaN  \n",
       "1             22     adult                            NaN  \n",
       "2              5     adult  ManStraight / HeterosexualYes  \n",
       "3             29     adult                            NaN  \n",
       "4              3     adult   ManStraight / HeterosexualNo  \n",
       "..           ...       ...                            ...  \n",
       "995            3     adult   ManStraight / HeterosexualNo  \n",
       "996           24       NaN                            NaN  \n",
       "997          NaN       NaN                            NaN  \n",
       "998          NaN       NaN                            NaN  \n",
       "999            5     adult   ManStraight / HeterosexualNo  \n",
       "\n",
       "[1000 rows x 63 columns]"
      ]
     },
     "execution_count": 102,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 106,
   "id": "205ce70a-0e92-4805-bb2f-9513e1dd1dd2",
   "metadata": {},
   "outputs": [
    {
     "data": {
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       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>respondent</th>\n",
       "      <th>mainbranch</th>\n",
       "      <th>hobbyist</th>\n",
       "      <th>user_age</th>\n",
       "      <th>age1stcode</th>\n",
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       "      <th>convertedcomp</th>\n",
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       "      <th>currencydesc</th>\n",
       "      <th>...</th>\n",
       "      <th>undergradmajor</th>\n",
       "      <th>webframedesirenextyear</th>\n",
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       "      <th>workweekhrs</th>\n",
       "      <th>yearscode</th>\n",
       "      <th>yearscodepro</th>\n",
       "      <th>age_group</th>\n",
       "      <th>gen_col</th>\n",
       "      <th>job_factors</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>20900</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>10</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>8000.0</td>\n",
       "      <td>53040.0</td>\n",
       "      <td>Bulgaria</td>\n",
       "      <td>Bulgarian lev</td>\n",
       "      <td>...</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>45.0</td>\n",
       "      <td>23</td>\n",
       "      <td>15</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>[Industry that I’d be working in, Flex time or...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>28235</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>No</td>\n",
       "      <td>45.0</td>\n",
       "      <td>10</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>670000.0</td>\n",
       "      <td>867480.0</td>\n",
       "      <td>Norway</td>\n",
       "      <td>Norwegian krone</td>\n",
       "      <td>...</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>37.0</td>\n",
       "      <td>35</td>\n",
       "      <td>22</td>\n",
       "      <td>adult</td>\n",
       "      <td>NaN</td>\n",
       "      <td>[Industry that I’d be working in, Flex time or...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>26082</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>29.0</td>\n",
       "      <td>14</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>65000.0</td>\n",
       "      <td>65000.0</td>\n",
       "      <td>China</td>\n",
       "      <td>United States dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>Computer science, computer engineering, or sof...</td>\n",
       "      <td>ASP.NET Core;React.js</td>\n",
       "      <td>ASP.NET Core;jQuery;Laravel;React.js;Vue.js</td>\n",
       "      <td>A lot less welcome now than last year</td>\n",
       "      <td>45.0</td>\n",
       "      <td>9</td>\n",
       "      <td>5</td>\n",
       "      <td>adult</td>\n",
       "      <td>ManStraight / HeterosexualYes</td>\n",
       "      <td>[Industry that I’d be working in, Languages, f...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>19890</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>61.0</td>\n",
       "      <td>21</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Canada</td>\n",
       "      <td>Canadian dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>Another engineering discipline (such as civil,...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Somewhat less welcome now than last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>39</td>\n",
       "      <td>29</td>\n",
       "      <td>adult</td>\n",
       "      <td>NaN</td>\n",
       "      <td>[Languages, frameworks, and other technologies...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>16393</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>25.0</td>\n",
       "      <td>15</td>\n",
       "      <td>Weekly</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Uruguay</td>\n",
       "      <td>Uruguayan peso</td>\n",
       "      <td>...</td>\n",
       "      <td>Another engineering discipline (such as civil,...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Flask</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>10</td>\n",
       "      <td>3</td>\n",
       "      <td>adult</td>\n",
       "      <td>ManStraight / HeterosexualNo</td>\n",
       "      <td>[Industry that I’d be working in, Flex time or...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>995</th>\n",
       "      <td>51360</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>26.0</td>\n",
       "      <td>13</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>16000.0</td>\n",
       "      <td>12312.0</td>\n",
       "      <td>Egypt</td>\n",
       "      <td>Egyptian pound</td>\n",
       "      <td>...</td>\n",
       "      <td>Another engineering discipline (such as civil,...</td>\n",
       "      <td>Express;React.js</td>\n",
       "      <td>Angular;Angular.js;React.js</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>10</td>\n",
       "      <td>3</td>\n",
       "      <td>adult</td>\n",
       "      <td>ManStraight / HeterosexualNo</td>\n",
       "      <td>[Flex time or a flexible schedule, Languages, ...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>996</th>\n",
       "      <td>16771</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>11</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>United States</td>\n",
       "      <td>United States dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>Another engineering discipline (such as civil,...</td>\n",
       "      <td>Angular;Express;Spring</td>\n",
       "      <td>Angular;Express;Spring</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>50.0</td>\n",
       "      <td>41</td>\n",
       "      <td>24</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>997</th>\n",
       "      <td>38831</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Netherlands</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>998</th>\n",
       "      <td>7093</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Indonesia</td>\n",
       "      <td>Indonesian rupiah</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>999</th>\n",
       "      <td>51843</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>29.0</td>\n",
       "      <td>20</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>90000.0</td>\n",
       "      <td>10680.0</td>\n",
       "      <td>Kenya</td>\n",
       "      <td>Kenyan shilling</td>\n",
       "      <td>...</td>\n",
       "      <td>Information systems, information technology, o...</td>\n",
       "      <td>Angular;Angular.js;jQuery;Laravel</td>\n",
       "      <td>Angular;Angular.js;jQuery;Laravel</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>8.0</td>\n",
       "      <td>8</td>\n",
       "      <td>5</td>\n",
       "      <td>adult</td>\n",
       "      <td>ManStraight / HeterosexualNo</td>\n",
       "      <td>[Languages, frameworks, and other technologies...</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>1000 rows × 64 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "     respondent                      mainbranch hobbyist  user_age age1stcode  \\\n",
       "0         20900  I am a developer by profession      Yes       NaN         10   \n",
       "1         28235  I am a developer by profession       No      45.0         10   \n",
       "2         26082  I am a developer by profession      Yes      29.0         14   \n",
       "3         19890  I am a developer by profession      Yes      61.0         21   \n",
       "4         16393  I am a developer by profession      Yes      25.0         15   \n",
       "..          ...                             ...      ...       ...        ...   \n",
       "995       51360  I am a developer by profession      Yes      26.0         13   \n",
       "996       16771  I am a developer by profession      Yes       NaN         11   \n",
       "997       38831  I am a developer by profession      Yes       NaN        NaN   \n",
       "998        7093  I am a developer by profession      Yes       NaN        NaN   \n",
       "999       51843  I am a developer by profession      Yes      29.0         20   \n",
       "\n",
       "    compfreq  comptotal  convertedcomp        country          currencydesc  \\\n",
       "0    Monthly     8000.0        53040.0       Bulgaria         Bulgarian lev   \n",
       "1    Monthly   670000.0       867480.0         Norway       Norwegian krone   \n",
       "2     Yearly    65000.0        65000.0          China  United States dollar   \n",
       "3        NaN        NaN            NaN         Canada       Canadian dollar   \n",
       "4     Weekly        NaN            NaN        Uruguay        Uruguayan peso   \n",
       "..       ...        ...            ...            ...                   ...   \n",
       "995  Monthly    16000.0        12312.0          Egypt        Egyptian pound   \n",
       "996      NaN        NaN            NaN  United States  United States dollar   \n",
       "997      NaN        NaN            NaN    Netherlands                   NaN   \n",
       "998      NaN        NaN            NaN      Indonesia     Indonesian rupiah   \n",
       "999  Monthly    90000.0        10680.0          Kenya       Kenyan shilling   \n",
       "\n",
       "     ...                                     undergradmajor  \\\n",
       "0    ...  Computer science, computer engineering, or sof...   \n",
       "1    ...  Computer science, computer engineering, or sof...   \n",
       "2    ...  Computer science, computer engineering, or sof...   \n",
       "3    ...  Another engineering discipline (such as civil,...   \n",
       "4    ...  Another engineering discipline (such as civil,...   \n",
       "..   ...                                                ...   \n",
       "995  ...  Another engineering discipline (such as civil,...   \n",
       "996  ...  Another engineering discipline (such as civil,...   \n",
       "997  ...                                                NaN   \n",
       "998  ...                                                NaN   \n",
       "999  ...  Information systems, information technology, o...   \n",
       "\n",
       "                webframedesirenextyear  \\\n",
       "0                                  NaN   \n",
       "1                                  NaN   \n",
       "2                ASP.NET Core;React.js   \n",
       "3                                  NaN   \n",
       "4                                  NaN   \n",
       "..                                 ...   \n",
       "995                   Express;React.js   \n",
       "996             Angular;Express;Spring   \n",
       "997                                NaN   \n",
       "998                                NaN   \n",
       "999  Angular;Angular.js;jQuery;Laravel   \n",
       "\n",
       "                              webframeworkedwith  \\\n",
       "0                                            NaN   \n",
       "1                                            NaN   \n",
       "2    ASP.NET Core;jQuery;Laravel;React.js;Vue.js   \n",
       "3                                            NaN   \n",
       "4                                          Flask   \n",
       "..                                           ...   \n",
       "995                  Angular;Angular.js;React.js   \n",
       "996                       Angular;Express;Spring   \n",
       "997                                          NaN   \n",
       "998                                          NaN   \n",
       "999            Angular;Angular.js;jQuery;Laravel   \n",
       "\n",
       "                                welcomechange workweekhrs yearscode  \\\n",
       "0     Just as welcome now as I felt last year        45.0        23   \n",
       "1     Just as welcome now as I felt last year        37.0        35   \n",
       "2       A lot less welcome now than last year        45.0         9   \n",
       "3    Somewhat less welcome now than last year        40.0        39   \n",
       "4     Just as welcome now as I felt last year        40.0        10   \n",
       "..                                        ...         ...       ...   \n",
       "995   Just as welcome now as I felt last year        40.0        10   \n",
       "996   Just as welcome now as I felt last year        50.0        41   \n",
       "997                                       NaN         NaN       NaN   \n",
       "998                                       NaN         NaN       NaN   \n",
       "999   Just as welcome now as I felt last year         8.0         8   \n",
       "\n",
       "    yearscodepro age_group                        gen_col  \\\n",
       "0             15       NaN                            NaN   \n",
       "1             22     adult                            NaN   \n",
       "2              5     adult  ManStraight / HeterosexualYes   \n",
       "3             29     adult                            NaN   \n",
       "4              3     adult   ManStraight / HeterosexualNo   \n",
       "..           ...       ...                            ...   \n",
       "995            3     adult   ManStraight / HeterosexualNo   \n",
       "996           24       NaN                            NaN   \n",
       "997          NaN       NaN                            NaN   \n",
       "998          NaN       NaN                            NaN   \n",
       "999            5     adult   ManStraight / HeterosexualNo   \n",
       "\n",
       "                                           job_factors  \n",
       "0    [Industry that I’d be working in, Flex time or...  \n",
       "1    [Industry that I’d be working in, Flex time or...  \n",
       "2    [Industry that I’d be working in, Languages, f...  \n",
       "3    [Languages, frameworks, and other technologies...  \n",
       "4    [Industry that I’d be working in, Flex time or...  \n",
       "..                                                 ...  \n",
       "995  [Flex time or a flexible schedule, Languages, ...  \n",
       "996                                                NaN  \n",
       "997                                                NaN  \n",
       "998                                                NaN  \n",
       "999  [Languages, frameworks, and other technologies...  \n",
       "\n",
       "[1000 rows x 64 columns]"
      ]
     },
     "execution_count": 106,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df['job_factors'] = survey_df['jobfactors'].str.split(';') # 根据符号 ; 进行分割\n",
    "survey_df"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 107,
   "id": "d35d1a67-dda7-43af-8c40-44903b2a2e71",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0      [Industry that I’d be working in, Flex time or...\n",
       "1      [Industry that I’d be working in, Flex time or...\n",
       "2      [Industry that I’d be working in, Languages, f...\n",
       "3      [Languages, frameworks, and other technologies...\n",
       "4      [Industry that I’d be working in, Flex time or...\n",
       "                             ...                        \n",
       "995    [Flex time or a flexible schedule, Languages, ...\n",
       "996                                                  NaN\n",
       "997                                                  NaN\n",
       "998                                                  NaN\n",
       "999    [Languages, frameworks, and other technologies...\n",
       "Name: job_factors, Length: 1000, dtype: object"
      ]
     },
     "execution_count": 107,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df['job_factors']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 108,
   "id": "82bf4e67-de5a-4582-8efd-2361fbf19b27",
   "metadata": {
    "collapsed": true,
    "jupyter": {
     "outputs_hidden": true
    },
    "scrolled": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with']\n",
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'Office environment or company culture']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "nan\n",
      "['Diversity of the company or organization', 'Financial performance or funding status of the company or organization', 'How widely used or impactful my work output would be']\n",
      "['Industry that I’d be working in', 'Financial performance or funding status of the company or organization', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Office environment or company culture', 'Opportunities for professional development', 'Family friendliness']\n",
      "['Remote work options', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Office environment or company culture']\n",
      "['Office environment or company culture', 'Family friendliness']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "nan\n",
      "['How widely used or impactful my work output would be', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Family friendliness']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Remote work options', 'Office environment or company culture']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be']\n",
      "nan\n",
      "['Specific department or team I’d be working on', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Opportunities for professional development']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Office environment or company culture']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "nan\n",
      "nan\n",
      "['How widely used or impactful my work output would be', 'Opportunities for professional development', 'Family friendliness']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization', 'Opportunities for professional development']\n",
      "nan\n",
      "['Diversity of the company or organization', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'How widely used or impactful my work output would be']\n",
      "nan\n",
      "['Diversity of the company or organization', 'Financial performance or funding status of the company or organization', 'Opportunities for professional development']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Office environment or company culture']\n",
      "nan\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Office environment or company culture']\n",
      "['Industry that I’d be working in', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Family friendliness']\n",
      "['Diversity of the company or organization', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Industry that I’d be working in', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization', 'Opportunities for professional development']\n",
      "['Specific department or team I’d be working on', 'Remote work options', 'Family friendliness']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization', 'How widely used or impactful my work output would be']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Diversity of the company or organization', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Office environment or company culture']\n",
      "['Remote work options', 'Office environment or company culture', 'Family friendliness']\n",
      "nan\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Remote work options', 'Financial performance or funding status of the company or organization']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Diversity of the company or organization', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Opportunities for professional development', 'Family friendliness']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be']\n",
      "['Industry that I’d be working in', 'Diversity of the company or organization', 'Remote work options']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on', 'Office environment or company culture']\n",
      "['Specific department or team I’d be working on', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "['Diversity of the company or organization', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Office environment or company culture']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['Financial performance or funding status of the company or organization', 'Opportunities for professional development', 'Family friendliness']\n",
      "nan\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "['Remote work options', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'Office environment or company culture']\n",
      "['Diversity of the company or organization', 'Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on']\n",
      "nan\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Financial performance or funding status of the company or organization', 'Opportunities for professional development']\n",
      "nan\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Remote work options', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Family friendliness']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Family friendliness']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'How widely used or impactful my work output would be']\n",
      "nan\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization', 'How widely used or impactful my work output would be']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on', 'Financial performance or funding status of the company or organization']\n",
      "nan\n",
      "['Remote work options']\n",
      "['Diversity of the company or organization', 'Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with']\n",
      "nan\n",
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with']\n",
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'How widely used or impactful my work output would be']\n",
      "['Industry that I’d be working in', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Office environment or company culture']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization', 'Opportunities for professional development']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "nan\n",
      "['Specific department or team I’d be working on', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Financial performance or funding status of the company or organization']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Family friendliness']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Opportunities for professional development']\n",
      "nan\n",
      "nan\n",
      "['Industry that I’d be working in', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Office environment or company culture']\n",
      "nan\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Office environment or company culture']\n",
      "nan\n",
      "['Industry that I’d be working in', 'Financial performance or funding status of the company or organization', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be']\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Financial performance or funding status of the company or organization']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Financial performance or funding status of the company or organization', 'Office environment or company culture']\n",
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "nan\n",
      "['Specific department or team I’d be working on', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Family friendliness']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Family friendliness']\n",
      "['Specific department or team I’d be working on', 'Remote work options', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization', 'Family friendliness']\n",
      "['Industry that I’d be working in', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Financial performance or funding status of the company or organization', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Financial performance or funding status of the company or organization', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization', 'Office environment or company culture']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Diversity of the company or organization', 'Specific department or team I’d be working on', 'Office environment or company culture']\n",
      "nan\n",
      "nan\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on']\n",
      "nan\n",
      "nan\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be']\n",
      "['Remote work options', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Specific department or team I’d be working on', 'Financial performance or funding status of the company or organization', 'Opportunities for professional development']\n",
      "nan\n",
      "nan\n",
      "['Specific department or team I’d be working on', 'Financial performance or funding status of the company or organization', 'Family friendliness']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "nan\n",
      "nan\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Office environment or company culture']\n",
      "nan\n",
      "['Diversity of the company or organization', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Specific department or team I’d be working on', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Opportunities for professional development']\n",
      "nan\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Diversity of the company or organization', 'Remote work options']\n",
      "['Industry that I’d be working in', 'Specific department or team I’d be working on', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['Diversity of the company or organization', 'Flex time or a flexible schedule', 'Office environment or company culture']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "nan\n",
      "nan\n",
      "['Industry that I’d be working in', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "nan\n",
      "nan\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Remote work options', 'Office environment or company culture']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "nan\n",
      "nan\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Financial performance or funding status of the company or organization', 'Office environment or company culture']\n",
      "['How widely used or impactful my work output would be', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Family friendliness']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "nan\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Financial performance or funding status of the company or organization']\n",
      "['Remote work options']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "['Diversity of the company or organization', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Flex time or a flexible schedule', 'Specific department or team I’d be working on', 'Remote work options']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be']\n",
      "nan\n",
      "['Industry that I’d be working in', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization', 'Office environment or company culture']\n",
      "nan\n",
      "['Industry that I’d be working in', 'Diversity of the company or organization', 'Languages, frameworks, and other technologies I’d be working with']\n",
      "nan\n",
      "['Industry that I’d be working in', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "nan\n",
      "nan\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Financial performance or funding status of the company or organization', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Opportunities for professional development']\n",
      "nan\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Remote work options', 'Family friendliness']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'How widely used or impactful my work output would be']\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Diversity of the company or organization', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Flex time or a flexible schedule', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Office environment or company culture']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Office environment or company culture']\n",
      "['Industry that I’d be working in', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'Remote work options']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'How widely used or impactful my work output would be']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Financial performance or funding status of the company or organization']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on', 'Office environment or company culture']\n",
      "nan\n",
      "['Specific department or team I’d be working on', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Opportunities for professional development']\n",
      "['Diversity of the company or organization', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization', 'Family friendliness']\n",
      "['Industry that I’d be working in', 'Specific department or team I’d be working on', 'Family friendliness']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "nan\n",
      "['Diversity of the company or organization', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'How widely used or impactful my work output would be']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Office environment or company culture']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Office environment or company culture']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Office environment or company culture']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Specific department or team I’d be working on', 'Office environment or company culture']\n",
      "['Industry that I’d be working in', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development', 'Family friendliness']\n",
      "nan\n",
      "nan\n",
      "['How widely used or impactful my work output would be', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Remote work options', 'Financial performance or funding status of the company or organization']\n",
      "['Office environment or company culture', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "nan\n",
      "['Diversity of the company or organization', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "nan\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Diversity of the company or organization', 'Office environment or company culture', 'Family friendliness']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Family friendliness']\n",
      "['Remote work options', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Specific department or team I’d be working on', 'Financial performance or funding status of the company or organization', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Family friendliness']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Family friendliness']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'How widely used or impactful my work output would be']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization']\n",
      "['Industry that I’d be working in', 'Remote work options', 'Office environment or company culture']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Family friendliness']\n",
      "['Specific department or team I’d be working on', 'Office environment or company culture']\n",
      "['Remote work options', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Family friendliness']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Financial performance or funding status of the company or organization', 'How widely used or impactful my work output would be']\n",
      "['Flex time or a flexible schedule', 'Opportunities for professional development', 'Family friendliness']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on']\n",
      "nan\n",
      "['Industry that I’d be working in', 'Financial performance or funding status of the company or organization', 'Office environment or company culture']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Family friendliness']\n",
      "['Flex time or a flexible schedule', 'Remote work options']\n",
      "['How widely used or impactful my work output would be', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'Opportunities for professional development']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on', 'Remote work options']\n",
      "['Flex time or a flexible schedule', 'Specific department or team I’d be working on', 'Remote work options']\n",
      "nan\n",
      "nan\n",
      "['Industry that I’d be working in', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on', 'Opportunities for professional development']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'How widely used or impactful my work output would be']\n",
      "['Industry that I’d be working in', 'Diversity of the company or organization', 'Opportunities for professional development']\n",
      "nan\n",
      "nan\n",
      "nan\n",
      "['Industry that I’d be working in']\n",
      "nan\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Financial performance or funding status of the company or organization', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Opportunities for professional development']\n",
      "nan\n",
      "['How widely used or impactful my work output would be', 'Office environment or company culture', 'Family friendliness']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be']\n",
      "['Flex time or a flexible schedule', 'Opportunities for professional development', 'Family friendliness']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'How widely used or impactful my work output would be']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Family friendliness']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Family friendliness']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on', 'Opportunities for professional development']\n",
      "['Remote work options', 'Opportunities for professional development', 'Family friendliness']\n",
      "nan\n",
      "nan\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Opportunities for professional development']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Family friendliness']\n",
      "nan\n",
      "['Remote work options', 'Family friendliness']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Opportunities for professional development']\n",
      "['Remote work options', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Family friendliness']\n",
      "nan\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization']\n",
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'Office environment or company culture']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Family friendliness']\n",
      "nan\n",
      "nan\n",
      "nan\n",
      "['Flex time or a flexible schedule']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Opportunities for professional development']\n",
      "['How widely used or impactful my work output would be', 'Opportunities for professional development', 'Family friendliness']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Family friendliness']\n",
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "nan\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Family friendliness']\n",
      "['Industry that I’d be working in', 'Remote work options', 'Financial performance or funding status of the company or organization']\n",
      "['Remote work options', 'Family friendliness']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Diversity of the company or organization', 'Flex time or a flexible schedule', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "nan\n",
      "['Diversity of the company or organization', 'Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with']\n",
      "['Specific department or team I’d be working on', 'Office environment or company culture', 'Family friendliness']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Opportunities for professional development', 'Family friendliness']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization', 'Office environment or company culture']\n",
      "nan\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Financial performance or funding status of the company or organization']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Opportunities for professional development']\n",
      "nan\n",
      "['Remote work options', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Specific department or team I’d be working on', 'Remote work options']\n",
      "['Flex time or a flexible schedule', 'Specific department or team I’d be working on', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Financial performance or funding status of the company or organization', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Diversity of the company or organization', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Flex time or a flexible schedule', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "['How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'Office environment or company culture']\n",
      "nan\n",
      "['Industry that I’d be working in', 'Financial performance or funding status of the company or organization', 'Opportunities for professional development']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'How widely used or impactful my work output would be']\n",
      "nan\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Opportunities for professional development']\n",
      "['Diversity of the company or organization', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on', 'Remote work options']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Office environment or company culture']\n",
      "['Industry that I’d be working in', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Remote work options', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Remote work options', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'How widely used or impactful my work output would be']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "nan\n",
      "['Diversity of the company or organization', 'Flex time or a flexible schedule', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Family friendliness']\n",
      "['Industry that I’d be working in', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "nan\n",
      "['How widely used or impactful my work output would be', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Specific department or team I’d be working on', 'Opportunities for professional development', 'Family friendliness']\n",
      "nan\n",
      "['Diversity of the company or organization', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be']\n",
      "['Industry that I’d be working in', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "['Remote work options', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Financial performance or funding status of the company or organization']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Family friendliness']\n",
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be']\n",
      "nan\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Remote work options', 'Financial performance or funding status of the company or organization', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Opportunities for professional development']\n",
      "['Specific department or team I’d be working on', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "['Diversity of the company or organization', 'Remote work options', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Office environment or company culture']\n",
      "nan\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization']\n",
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'How widely used or impactful my work output would be']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Family friendliness']\n",
      "nan\n",
      "nan\n",
      "nan\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Family friendliness']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Family friendliness']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Financial performance or funding status of the company or organization']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "['Remote work options', 'Office environment or company culture']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Opportunities for professional development', 'Family friendliness']\n",
      "['Flex time or a flexible schedule', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "nan\n",
      "nan\n",
      "['Industry that I’d be working in', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "['Remote work options', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on', 'Opportunities for professional development']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Opportunities for professional development']\n",
      "['Remote work options']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development', 'Family friendliness']\n",
      "['Flex time or a flexible schedule', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization', 'Office environment or company culture']\n",
      "nan\n",
      "nan\n",
      "['Specific department or team I’d be working on', 'Remote work options', 'Office environment or company culture']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Office environment or company culture']\n",
      "nan\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Family friendliness']\n",
      "['Specific department or team I’d be working on', 'Opportunities for professional development']\n",
      "['Diversity of the company or organization', 'Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on', 'Office environment or company culture']\n",
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'How widely used or impactful my work output would be']\n",
      "nan\n",
      "['Office environment or company culture', 'Opportunities for professional development', 'Family friendliness']\n",
      "nan\n",
      "['Financial performance or funding status of the company or organization', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['How widely used or impactful my work output would be', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Office environment or company culture']\n",
      "['Remote work options', 'Financial performance or funding status of the company or organization', 'How widely used or impactful my work output would be']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Diversity of the company or organization', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['Diversity of the company or organization', 'Flex time or a flexible schedule', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Remote work options', 'Financial performance or funding status of the company or organization', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Office environment or company culture']\n",
      "['Diversity of the company or organization', 'Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Flex time or a flexible schedule', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Family friendliness']\n",
      "['Industry that I’d be working in', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "['Diversity of the company or organization', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization', 'Office environment or company culture']\n",
      "['How widely used or impactful my work output would be', 'Office environment or company culture', 'Family friendliness']\n",
      "['Remote work options', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Diversity of the company or organization', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Remote work options', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Opportunities for professional development']\n",
      "nan\n",
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'Remote work options']\n",
      "nan\n",
      "['Industry that I’d be working in', 'Diversity of the company or organization', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Family friendliness']\n",
      "['Flex time or a flexible schedule', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'Specific department or team I’d be working on']\n",
      "['Diversity of the company or organization', 'Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Family friendliness']\n",
      "['Diversity of the company or organization', 'Office environment or company culture', 'Family friendliness']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Industry that I’d be working in', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "nan\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Opportunities for professional development']\n",
      "nan\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Family friendliness']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development', 'Family friendliness']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Family friendliness']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "nan\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Specific department or team I’d be working on', 'Remote work options']\n",
      "['Flex time or a flexible schedule', 'Financial performance or funding status of the company or organization', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "nan\n",
      "nan\n",
      "['Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Family friendliness']\n",
      "['Industry that I’d be working in', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be']\n",
      "['Flex time or a flexible schedule', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['Specific department or team I’d be working on', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Diversity of the company or organization', 'Specific department or team I’d be working on', 'Family friendliness']\n",
      "['How widely used or impactful my work output would be', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Specific department or team I’d be working on', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Financial performance or funding status of the company or organization', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on', 'Financial performance or funding status of the company or organization']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Family friendliness']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Financial performance or funding status of the company or organization', 'Office environment or company culture']\n",
      "nan\n",
      "['Diversity of the company or organization']\n",
      "['Flex time or a flexible schedule', 'Specific department or team I’d be working on', 'Remote work options']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development', 'Family friendliness']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "nan\n",
      "['Remote work options', 'Financial performance or funding status of the company or organization', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "nan\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization', 'Office environment or company culture']\n",
      "nan\n",
      "['Diversity of the company or organization', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Specific department or team I’d be working on', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'Remote work options']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "nan\n",
      "['Remote work options', 'Financial performance or funding status of the company or organization', 'Opportunities for professional development']\n",
      "['How widely used or impactful my work output would be', 'Opportunities for professional development', 'Family friendliness']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Family friendliness']\n",
      "['Financial performance or funding status of the company or organization', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization', 'Opportunities for professional development']\n",
      "['How widely used or impactful my work output would be', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "nan\n",
      "['Financial performance or funding status of the company or organization', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Remote work options', 'Family friendliness']\n",
      "nan\n",
      "['Diversity of the company or organization', 'Flex time or a flexible schedule', 'Remote work options']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development', 'Family friendliness']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Family friendliness']\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on', 'Remote work options']\n",
      "nan\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Specific department or team I’d be working on', 'Financial performance or funding status of the company or organization']\n",
      "['Flex time or a flexible schedule', 'Opportunities for professional development', 'Family friendliness']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['Diversity of the company or organization', 'Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization', 'Opportunities for professional development']\n",
      "['Remote work options', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Family friendliness']\n",
      "['Industry that I’d be working in', 'Remote work options', 'Opportunities for professional development']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['How widely used or impactful my work output would be', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on', 'Office environment or company culture']\n",
      "['Diversity of the company or organization', 'Remote work options', 'How widely used or impactful my work output would be']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Financial performance or funding status of the company or organization', 'Family friendliness']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Office environment or company culture']\n",
      "['Family friendliness']\n",
      "['Languages, frameworks, and other technologies I’d be working with']\n",
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'Remote work options']\n",
      "['Flex time or a flexible schedule', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "nan\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Specific department or team I’d be working on']\n",
      "['Flex time or a flexible schedule', 'Opportunities for professional development', 'Family friendliness']\n",
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'Family friendliness']\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Family friendliness']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on', 'Family friendliness']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Family friendliness']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization']\n",
      "nan\n",
      "['Office environment or company culture', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Office environment or company culture']\n",
      "['Diversity of the company or organization', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on', 'Remote work options']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with']\n",
      "['Remote work options', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "nan\n",
      "nan\n",
      "nan\n",
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'Office environment or company culture']\n",
      "['Specific department or team I’d be working on', 'Remote work options', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'How widely used or impactful my work output would be']\n",
      "['Industry that I’d be working in', 'Remote work options', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Specific department or team I’d be working on', 'Remote work options', 'Office environment or company culture']\n",
      "nan\n",
      "['Industry that I’d be working in']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Specific department or team I’d be working on', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Diversity of the company or organization', 'Specific department or team I’d be working on', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Family friendliness']\n",
      "['Industry that I’d be working in', 'Diversity of the company or organization', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'Remote work options']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on', 'Office environment or company culture']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "nan\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Financial performance or funding status of the company or organization', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Opportunities for professional development']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization']\n",
      "['Industry that I’d be working in', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on', 'Opportunities for professional development']\n",
      "nan\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Opportunities for professional development', 'Family friendliness']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Opportunities for professional development']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Opportunities for professional development']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development', 'Family friendliness']\n",
      "nan\n",
      "['Remote work options']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Opportunities for professional development']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Specific department or team I’d be working on', 'Remote work options']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Office environment or company culture']\n",
      "['Financial performance or funding status of the company or organization', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "nan\n",
      "['Industry that I’d be working in', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be']\n",
      "nan\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Family friendliness']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "nan\n",
      "nan\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Family friendliness']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "nan\n",
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Flex time or a flexible schedule', 'Financial performance or funding status of the company or organization', 'Opportunities for professional development']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "['How widely used or impactful my work output would be', 'Opportunities for professional development', 'Family friendliness']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Flex time or a flexible schedule', 'Opportunities for professional development', 'Family friendliness']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Flex time or a flexible schedule', 'Opportunities for professional development', 'Family friendliness']\n",
      "['Industry that I’d be working in', 'Remote work options', 'Family friendliness']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Industry that I’d be working in', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on']\n",
      "['Industry that I’d be working in', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Family friendliness']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization', 'Opportunities for professional development']\n",
      "['How widely used or impactful my work output would be', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'Remote work options']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Financial performance or funding status of the company or organization', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "nan\n",
      "nan\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Office environment or company culture']\n",
      "['Industry that I’d be working in', 'Remote work options', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Financial performance or funding status of the company or organization', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Specific department or team I’d be working on', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Family friendliness']\n",
      "nan\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'How widely used or impactful my work output would be', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Family friendliness']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Remote work options']\n",
      "['Industry that I’d be working in', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Flex time or a flexible schedule', 'Financial performance or funding status of the company or organization', 'Office environment or company culture']\n",
      "nan\n",
      "nan\n",
      "['Industry that I’d be working in', 'Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with']\n",
      "['Flex time or a flexible schedule', 'How widely used or impactful my work output would be', 'Office environment or company culture']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Family friendliness']\n",
      "['Financial performance or funding status of the company or organization', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Office environment or company culture', 'Opportunities for professional development']\n",
      "nan\n",
      "nan\n",
      "['Flex time or a flexible schedule', 'Remote work options', 'Financial performance or funding status of the company or organization']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Family friendliness']\n",
      "['Flex time or a flexible schedule', 'Languages, frameworks, and other technologies I’d be working with', 'Opportunities for professional development']\n",
      "nan\n",
      "nan\n",
      "nan\n",
      "['Languages, frameworks, and other technologies I’d be working with', 'Remote work options', 'Opportunities for professional development']\n"
     ]
    }
   ],
   "source": [
    "for factors in survey_df['job_factors']:\n",
    "    print(factors)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 109,
   "id": "49db8842-2e87-4b8b-80e1-19e96c944924",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>0</th>\n",
       "      <th>1</th>\n",
       "      <th>2</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Industry that I’d be working in</td>\n",
       "      <td>Flex time or a flexible schedule</td>\n",
       "      <td>Languages, frameworks, and other technologies ...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Industry that I’d be working in</td>\n",
       "      <td>Flex time or a flexible schedule</td>\n",
       "      <td>Office environment or company culture</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>Industry that I’d be working in</td>\n",
       "      <td>Languages, frameworks, and other technologies ...</td>\n",
       "      <td>Office environment or company culture</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>Languages, frameworks, and other technologies ...</td>\n",
       "      <td>Specific department or team I’d be working on</td>\n",
       "      <td>Opportunities for professional development</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>Industry that I’d be working in</td>\n",
       "      <td>Flex time or a flexible schedule</td>\n",
       "      <td>Office environment or company culture</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>995</th>\n",
       "      <td>Flex time or a flexible schedule</td>\n",
       "      <td>Languages, frameworks, and other technologies ...</td>\n",
       "      <td>Opportunities for professional development</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>996</th>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>997</th>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>998</th>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>999</th>\n",
       "      <td>Languages, frameworks, and other technologies ...</td>\n",
       "      <td>Remote work options</td>\n",
       "      <td>Opportunities for professional development</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>1000 rows × 3 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                                                     0  \\\n",
       "0                      Industry that I’d be working in   \n",
       "1                      Industry that I’d be working in   \n",
       "2                      Industry that I’d be working in   \n",
       "3    Languages, frameworks, and other technologies ...   \n",
       "4                      Industry that I’d be working in   \n",
       "..                                                 ...   \n",
       "995                   Flex time or a flexible schedule   \n",
       "996                                                NaN   \n",
       "997                                                NaN   \n",
       "998                                                NaN   \n",
       "999  Languages, frameworks, and other technologies ...   \n",
       "\n",
       "                                                     1  \\\n",
       "0                     Flex time or a flexible schedule   \n",
       "1                     Flex time or a flexible schedule   \n",
       "2    Languages, frameworks, and other technologies ...   \n",
       "3        Specific department or team I’d be working on   \n",
       "4                     Flex time or a flexible schedule   \n",
       "..                                                 ...   \n",
       "995  Languages, frameworks, and other technologies ...   \n",
       "996                                                NaN   \n",
       "997                                                NaN   \n",
       "998                                                NaN   \n",
       "999                                Remote work options   \n",
       "\n",
       "                                                     2  \n",
       "0    Languages, frameworks, and other technologies ...  \n",
       "1                Office environment or company culture  \n",
       "2                Office environment or company culture  \n",
       "3           Opportunities for professional development  \n",
       "4                Office environment or company culture  \n",
       "..                                                 ...  \n",
       "995         Opportunities for professional development  \n",
       "996                                                NaN  \n",
       "997                                                NaN  \n",
       "998                                                NaN  \n",
       "999         Opportunities for professional development  \n",
       "\n",
       "[1000 rows x 3 columns]"
      ]
     },
     "execution_count": 109,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df['jobfactors'].str.split(';', expand = True) # 将分隔开的内容分成多列"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 110,
   "id": "9c63a8a2-fb44-4ab7-81f0-4ad20c7a7a1a",
   "metadata": {},
   "outputs": [],
   "source": [
    "survey_df[['job_fac1', 'job_fac2', 'job_fac3']] = survey_df['jobfactors'].str.split(';', expand = True)\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 111,
   "id": "7f968bf7-d11e-4da8-ba3d-d3a6102b8451",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "Index(['respondent', 'mainbranch', 'hobbyist', 'user_age', 'age1stcode',\n",
       "       'compfreq', 'comptotal', 'convertedcomp', 'country', 'currencydesc',\n",
       "       'currencysymbol', 'databasedesirenextyear', 'databaseworkedwith',\n",
       "       'devtype', 'edlevel', 'employment', 'ethnicity', 'gender', 'jobfactors',\n",
       "       'jobsat', 'jobseek', 'languagedesirenextyear', 'languageworkedwith',\n",
       "       'misctechdesirenextyear', 'misctechworkedwith',\n",
       "       'newcollabtoolsdesirenextyear', 'newcollabtoolsworkedwith', 'newdevops',\n",
       "       'newdevopsimpt', 'newedimpt', 'newjobhunt', 'newjobhuntresearch',\n",
       "       'newlearn', 'newofftopic', 'newonboardgood', 'newothercomms',\n",
       "       'newovertime', 'newpurchaseresearch', 'newpurplelink', 'newsosites',\n",
       "       'newstuck', 'opsys', 'organization_size', 'platformdesirenextyear',\n",
       "       'platformworkedwith', 'purchasewhat', 'sexuality', 'soaccount',\n",
       "       'socomm', 'sopartfreq', 'sovisitfreq', 'surveyease', 'surveylength',\n",
       "       'trans', 'undergradmajor', 'webframedesirenextyear',\n",
       "       'webframeworkedwith', 'welcomechange', 'workweekhrs', 'yearscode',\n",
       "       'yearscodepro', 'age_group', 'gen_col', 'job_factors', 'job_fac1',\n",
       "       'job_fac2', 'job_fac3'],\n",
       "      dtype='object')"
      ]
     },
     "execution_count": 111,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.columns"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 117,
   "id": "6a51070a-ac8d-4a9e-a71e-243093ca23a2",
   "metadata": {},
   "outputs": [],
   "source": [
    "## survey_df.append({'user_age': 21}, ignore_index = True)\n",
    "# 执行失败，DataFrame没有append函数\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 118,
   "id": "30459028-b33c-482c-8b4f-1cc262fba753",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0                        Industry that I’d be working in\n",
       "1                        Industry that I’d be working in\n",
       "2                        Industry that I’d be working in\n",
       "3      Languages, frameworks, and other technologies ...\n",
       "4                        Industry that I’d be working in\n",
       "                             ...                        \n",
       "995                     Flex time or a flexible schedule\n",
       "996                                                  NaN\n",
       "997                                                  NaN\n",
       "998                                                  NaN\n",
       "999    Languages, frameworks, and other technologies ...\n",
       "Name: job_fac1, Length: 1000, dtype: object"
      ]
     },
     "execution_count": 118,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df['job_fac1']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 119,
   "id": "cec3a786-b6ba-42a9-a6a9-7918ac0c5fbf",
   "metadata": {},
   "outputs": [],
   "source": [
    "survey_df.drop(columns = ['job_fac1'], inplace = True)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 120,
   "id": "1783ce13-e4e7-452f-9e7a-87a8798be7f6",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "Index(['respondent', 'mainbranch', 'hobbyist', 'user_age', 'age1stcode',\n",
       "       'compfreq', 'comptotal', 'convertedcomp', 'country', 'currencydesc',\n",
       "       'currencysymbol', 'databasedesirenextyear', 'databaseworkedwith',\n",
       "       'devtype', 'edlevel', 'employment', 'ethnicity', 'gender', 'jobfactors',\n",
       "       'jobsat', 'jobseek', 'languagedesirenextyear', 'languageworkedwith',\n",
       "       'misctechdesirenextyear', 'misctechworkedwith',\n",
       "       'newcollabtoolsdesirenextyear', 'newcollabtoolsworkedwith', 'newdevops',\n",
       "       'newdevopsimpt', 'newedimpt', 'newjobhunt', 'newjobhuntresearch',\n",
       "       'newlearn', 'newofftopic', 'newonboardgood', 'newothercomms',\n",
       "       'newovertime', 'newpurchaseresearch', 'newpurplelink', 'newsosites',\n",
       "       'newstuck', 'opsys', 'organization_size', 'platformdesirenextyear',\n",
       "       'platformworkedwith', 'purchasewhat', 'sexuality', 'soaccount',\n",
       "       'socomm', 'sopartfreq', 'sovisitfreq', 'surveyease', 'surveylength',\n",
       "       'trans', 'undergradmajor', 'webframedesirenextyear',\n",
       "       'webframeworkedwith', 'welcomechange', 'workweekhrs', 'yearscode',\n",
       "       'yearscodepro', 'age_group', 'gen_col', 'job_factors', 'job_fac2',\n",
       "       'job_fac3'],\n",
       "      dtype='object')"
      ]
     },
     "execution_count": 120,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.columns"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 121,
   "id": "21979ffa-2638-490c-bb7b-3dccd8ceb7b5",
   "metadata": {},
   "outputs": [
    {
     "data": {
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       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>respondent</th>\n",
       "      <th>mainbranch</th>\n",
       "      <th>hobbyist</th>\n",
       "      <th>user_age</th>\n",
       "      <th>age1stcode</th>\n",
       "      <th>compfreq</th>\n",
       "      <th>comptotal</th>\n",
       "      <th>convertedcomp</th>\n",
       "      <th>country</th>\n",
       "      <th>currencydesc</th>\n",
       "      <th>...</th>\n",
       "      <th>webframeworkedwith</th>\n",
       "      <th>welcomechange</th>\n",
       "      <th>workweekhrs</th>\n",
       "      <th>yearscode</th>\n",
       "      <th>yearscodepro</th>\n",
       "      <th>age_group</th>\n",
       "      <th>gen_col</th>\n",
       "      <th>job_factors</th>\n",
       "      <th>job_fac2</th>\n",
       "      <th>job_fac3</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>20900</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>10</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>8000.0</td>\n",
       "      <td>53040.0</td>\n",
       "      <td>Bulgaria</td>\n",
       "      <td>Bulgarian lev</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>45.0</td>\n",
       "      <td>23</td>\n",
       "      <td>15</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>[Industry that I’d be working in, Flex time or...</td>\n",
       "      <td>Flex time or a flexible schedule</td>\n",
       "      <td>Languages, frameworks, and other technologies ...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>28235</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>No</td>\n",
       "      <td>45.0</td>\n",
       "      <td>10</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>670000.0</td>\n",
       "      <td>867480.0</td>\n",
       "      <td>Norway</td>\n",
       "      <td>Norwegian krone</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>37.0</td>\n",
       "      <td>35</td>\n",
       "      <td>22</td>\n",
       "      <td>adult</td>\n",
       "      <td>NaN</td>\n",
       "      <td>[Industry that I’d be working in, Flex time or...</td>\n",
       "      <td>Flex time or a flexible schedule</td>\n",
       "      <td>Office environment or company culture</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>26082</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>29.0</td>\n",
       "      <td>14</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>65000.0</td>\n",
       "      <td>65000.0</td>\n",
       "      <td>China</td>\n",
       "      <td>United States dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>ASP.NET Core;jQuery;Laravel;React.js;Vue.js</td>\n",
       "      <td>A lot less welcome now than last year</td>\n",
       "      <td>45.0</td>\n",
       "      <td>9</td>\n",
       "      <td>5</td>\n",
       "      <td>adult</td>\n",
       "      <td>ManStraight / HeterosexualYes</td>\n",
       "      <td>[Industry that I’d be working in, Languages, f...</td>\n",
       "      <td>Languages, frameworks, and other technologies ...</td>\n",
       "      <td>Office environment or company culture</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>19890</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>61.0</td>\n",
       "      <td>21</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Canada</td>\n",
       "      <td>Canadian dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Somewhat less welcome now than last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>39</td>\n",
       "      <td>29</td>\n",
       "      <td>adult</td>\n",
       "      <td>NaN</td>\n",
       "      <td>[Languages, frameworks, and other technologies...</td>\n",
       "      <td>Specific department or team I’d be working on</td>\n",
       "      <td>Opportunities for professional development</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>16393</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>25.0</td>\n",
       "      <td>15</td>\n",
       "      <td>Weekly</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Uruguay</td>\n",
       "      <td>Uruguayan peso</td>\n",
       "      <td>...</td>\n",
       "      <td>Flask</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>10</td>\n",
       "      <td>3</td>\n",
       "      <td>adult</td>\n",
       "      <td>ManStraight / HeterosexualNo</td>\n",
       "      <td>[Industry that I’d be working in, Flex time or...</td>\n",
       "      <td>Flex time or a flexible schedule</td>\n",
       "      <td>Office environment or company culture</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>5 rows × 66 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "   respondent                      mainbranch hobbyist  user_age age1stcode  \\\n",
       "0       20900  I am a developer by profession      Yes       NaN         10   \n",
       "1       28235  I am a developer by profession       No      45.0         10   \n",
       "2       26082  I am a developer by profession      Yes      29.0         14   \n",
       "3       19890  I am a developer by profession      Yes      61.0         21   \n",
       "4       16393  I am a developer by profession      Yes      25.0         15   \n",
       "\n",
       "  compfreq  comptotal  convertedcomp   country          currencydesc  ...  \\\n",
       "0  Monthly     8000.0        53040.0  Bulgaria         Bulgarian lev  ...   \n",
       "1  Monthly   670000.0       867480.0    Norway       Norwegian krone  ...   \n",
       "2   Yearly    65000.0        65000.0     China  United States dollar  ...   \n",
       "3      NaN        NaN            NaN    Canada       Canadian dollar  ...   \n",
       "4   Weekly        NaN            NaN   Uruguay        Uruguayan peso  ...   \n",
       "\n",
       "                            webframeworkedwith  \\\n",
       "0                                          NaN   \n",
       "1                                          NaN   \n",
       "2  ASP.NET Core;jQuery;Laravel;React.js;Vue.js   \n",
       "3                                          NaN   \n",
       "4                                        Flask   \n",
       "\n",
       "                              welcomechange workweekhrs yearscode  \\\n",
       "0   Just as welcome now as I felt last year        45.0        23   \n",
       "1   Just as welcome now as I felt last year        37.0        35   \n",
       "2     A lot less welcome now than last year        45.0         9   \n",
       "3  Somewhat less welcome now than last year        40.0        39   \n",
       "4   Just as welcome now as I felt last year        40.0        10   \n",
       "\n",
       "  yearscodepro age_group                        gen_col  \\\n",
       "0           15       NaN                            NaN   \n",
       "1           22     adult                            NaN   \n",
       "2            5     adult  ManStraight / HeterosexualYes   \n",
       "3           29     adult                            NaN   \n",
       "4            3     adult   ManStraight / HeterosexualNo   \n",
       "\n",
       "                                         job_factors  \\\n",
       "0  [Industry that I’d be working in, Flex time or...   \n",
       "1  [Industry that I’d be working in, Flex time or...   \n",
       "2  [Industry that I’d be working in, Languages, f...   \n",
       "3  [Languages, frameworks, and other technologies...   \n",
       "4  [Industry that I’d be working in, Flex time or...   \n",
       "\n",
       "                                            job_fac2  \\\n",
       "0                   Flex time or a flexible schedule   \n",
       "1                   Flex time or a flexible schedule   \n",
       "2  Languages, frameworks, and other technologies ...   \n",
       "3      Specific department or team I’d be working on   \n",
       "4                   Flex time or a flexible schedule   \n",
       "\n",
       "                                            job_fac3  \n",
       "0  Languages, frameworks, and other technologies ...  \n",
       "1              Office environment or company culture  \n",
       "2              Office environment or company culture  \n",
       "3         Opportunities for professional development  \n",
       "4              Office environment or company culture  \n",
       "\n",
       "[5 rows x 66 columns]"
      ]
     },
     "execution_count": 121,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.head()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 123,
   "id": "6e891d32-1cba-4e0d-80c2-940dc5b98078",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "respondent                                                 16393\n",
       "mainbranch                        I am a developer by profession\n",
       "hobbyist                                                     Yes\n",
       "user_age                                                    25.0\n",
       "age1stcode                                                    15\n",
       "                                     ...                        \n",
       "age_group                                                  adult\n",
       "gen_col                             ManStraight / HeterosexualNo\n",
       "job_factors    [Industry that I’d be working in, Flex time or...\n",
       "job_fac2                        Flex time or a flexible schedule\n",
       "job_fac3                   Office environment or company culture\n",
       "Name: 4, Length: 66, dtype: object"
      ]
     },
     "execution_count": 123,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.iloc[4]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 126,
   "id": "657532ef-2812-4c43-9004-fa0fc4d73bd6",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
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       "    .dataframe tbody tr th:only-of-type {\n",
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       "    .dataframe tbody tr th {\n",
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       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>respondent</th>\n",
       "      <th>mainbranch</th>\n",
       "      <th>hobbyist</th>\n",
       "      <th>user_age</th>\n",
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       "      <th>...</th>\n",
       "      <th>webframeworkedwith</th>\n",
       "      <th>welcomechange</th>\n",
       "      <th>workweekhrs</th>\n",
       "      <th>yearscode</th>\n",
       "      <th>yearscodepro</th>\n",
       "      <th>age_group</th>\n",
       "      <th>gen_col</th>\n",
       "      <th>job_factors</th>\n",
       "      <th>job_fac2</th>\n",
       "      <th>job_fac3</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>20900</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
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       "      <td>10</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>8000.0</td>\n",
       "      <td>53040.0</td>\n",
       "      <td>Bulgaria</td>\n",
       "      <td>Bulgarian lev</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>45.0</td>\n",
       "      <td>23</td>\n",
       "      <td>15</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>[Industry that I’d be working in, Flex time or...</td>\n",
       "      <td>Flex time or a flexible schedule</td>\n",
       "      <td>Languages, frameworks, and other technologies ...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>28235</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>No</td>\n",
       "      <td>45.0</td>\n",
       "      <td>10</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>670000.0</td>\n",
       "      <td>867480.0</td>\n",
       "      <td>Norway</td>\n",
       "      <td>Norwegian krone</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>37.0</td>\n",
       "      <td>35</td>\n",
       "      <td>22</td>\n",
       "      <td>adult</td>\n",
       "      <td>NaN</td>\n",
       "      <td>[Industry that I’d be working in, Flex time or...</td>\n",
       "      <td>Flex time or a flexible schedule</td>\n",
       "      <td>Office environment or company culture</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>26082</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>29.0</td>\n",
       "      <td>14</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>65000.0</td>\n",
       "      <td>65000.0</td>\n",
       "      <td>China</td>\n",
       "      <td>United States dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>ASP.NET Core;jQuery;Laravel;React.js;Vue.js</td>\n",
       "      <td>A lot less welcome now than last year</td>\n",
       "      <td>45.0</td>\n",
       "      <td>9</td>\n",
       "      <td>5</td>\n",
       "      <td>adult</td>\n",
       "      <td>ManStraight / HeterosexualYes</td>\n",
       "      <td>[Industry that I’d be working in, Languages, f...</td>\n",
       "      <td>Languages, frameworks, and other technologies ...</td>\n",
       "      <td>Office environment or company culture</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>19890</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>61.0</td>\n",
       "      <td>21</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Canada</td>\n",
       "      <td>Canadian dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Somewhat less welcome now than last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>39</td>\n",
       "      <td>29</td>\n",
       "      <td>adult</td>\n",
       "      <td>NaN</td>\n",
       "      <td>[Languages, frameworks, and other technologies...</td>\n",
       "      <td>Specific department or team I’d be working on</td>\n",
       "      <td>Opportunities for professional development</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>46721</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>No</td>\n",
       "      <td>48.0</td>\n",
       "      <td>11</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>130000.0</td>\n",
       "      <td>83057.0</td>\n",
       "      <td>New Zealand</td>\n",
       "      <td>New Zealand dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>ASP.NET</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>37</td>\n",
       "      <td>14</td>\n",
       "      <td>adult</td>\n",
       "      <td>ManStraight / HeterosexualNo</td>\n",
       "      <td>[Flex time or a flexible schedule, Remote work...</td>\n",
       "      <td>Remote work options</td>\n",
       "      <td>Opportunities for professional development</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>5 rows × 66 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "   respondent                      mainbranch hobbyist  user_age age1stcode  \\\n",
       "0       20900  I am a developer by profession      Yes       NaN         10   \n",
       "1       28235  I am a developer by profession       No      45.0         10   \n",
       "2       26082  I am a developer by profession      Yes      29.0         14   \n",
       "3       19890  I am a developer by profession      Yes      61.0         21   \n",
       "5       46721  I am a developer by profession       No      48.0         11   \n",
       "\n",
       "  compfreq  comptotal  convertedcomp      country          currencydesc  ...  \\\n",
       "0  Monthly     8000.0        53040.0     Bulgaria         Bulgarian lev  ...   \n",
       "1  Monthly   670000.0       867480.0       Norway       Norwegian krone  ...   \n",
       "2   Yearly    65000.0        65000.0        China  United States dollar  ...   \n",
       "3      NaN        NaN            NaN       Canada       Canadian dollar  ...   \n",
       "5   Yearly   130000.0        83057.0  New Zealand    New Zealand dollar  ...   \n",
       "\n",
       "                            webframeworkedwith  \\\n",
       "0                                          NaN   \n",
       "1                                          NaN   \n",
       "2  ASP.NET Core;jQuery;Laravel;React.js;Vue.js   \n",
       "3                                          NaN   \n",
       "5                                      ASP.NET   \n",
       "\n",
       "                              welcomechange workweekhrs yearscode  \\\n",
       "0   Just as welcome now as I felt last year        45.0        23   \n",
       "1   Just as welcome now as I felt last year        37.0        35   \n",
       "2     A lot less welcome now than last year        45.0         9   \n",
       "3  Somewhat less welcome now than last year        40.0        39   \n",
       "5   Just as welcome now as I felt last year        40.0        37   \n",
       "\n",
       "  yearscodepro age_group                        gen_col  \\\n",
       "0           15       NaN                            NaN   \n",
       "1           22     adult                            NaN   \n",
       "2            5     adult  ManStraight / HeterosexualYes   \n",
       "3           29     adult                            NaN   \n",
       "5           14     adult   ManStraight / HeterosexualNo   \n",
       "\n",
       "                                         job_factors  \\\n",
       "0  [Industry that I’d be working in, Flex time or...   \n",
       "1  [Industry that I’d be working in, Flex time or...   \n",
       "2  [Industry that I’d be working in, Languages, f...   \n",
       "3  [Languages, frameworks, and other technologies...   \n",
       "5  [Flex time or a flexible schedule, Remote work...   \n",
       "\n",
       "                                            job_fac2  \\\n",
       "0                   Flex time or a flexible schedule   \n",
       "1                   Flex time or a flexible schedule   \n",
       "2  Languages, frameworks, and other technologies ...   \n",
       "3      Specific department or team I’d be working on   \n",
       "5                                Remote work options   \n",
       "\n",
       "                                            job_fac3  \n",
       "0  Languages, frameworks, and other technologies ...  \n",
       "1              Office environment or company culture  \n",
       "2              Office environment or company culture  \n",
       "3         Opportunities for professional development  \n",
       "5         Opportunities for professional development  \n",
       "\n",
       "[5 rows x 66 columns]"
      ]
     },
     "execution_count": 126,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.drop(index = 4, inplace = True)\n",
    "survey_df.head(5)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 127,
   "id": "4b052658-0c4f-427f-87f9-0ddc171e1960",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0       NaN\n",
       "1      45.0\n",
       "2      29.0\n",
       "3      61.0\n",
       "5      48.0\n",
       "       ... \n",
       "995    26.0\n",
       "996     NaN\n",
       "997     NaN\n",
       "998     NaN\n",
       "999    29.0\n",
       "Name: user_age, Length: 999, dtype: float64"
      ]
     },
     "execution_count": 127,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df['user_age']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 128,
   "id": "d7df02d9-5825-4f63-afb9-774abff39f69",
   "metadata": {},
   "outputs": [],
   "source": [
    "age_filter = survey_df['user_age'] < 50"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 129,
   "id": "ed29a751-dae6-4858-b46f-16944b04ab99",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0      False\n",
       "1       True\n",
       "2       True\n",
       "3      False\n",
       "5       True\n",
       "       ...  \n",
       "995     True\n",
       "996    False\n",
       "997    False\n",
       "998    False\n",
       "999     True\n",
       "Name: user_age, Length: 999, dtype: bool"
      ]
     },
     "execution_count": 129,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "age_filter"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 130,
   "id": "50495ff2-4da4-425f-8b8d-57a2139d77ca",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "999"
      ]
     },
     "execution_count": 130,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "age_filter.count()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 131,
   "id": "4b4fbcba-b0a5-425c-bbc0-ca347b1a1312",
   "metadata": {},
   "outputs": [
    {
     "data": {
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       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>respondent</th>\n",
       "      <th>mainbranch</th>\n",
       "      <th>hobbyist</th>\n",
       "      <th>user_age</th>\n",
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       "      <th>gen_col</th>\n",
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       "      <th>job_fac3</th>\n",
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       "      <th>1</th>\n",
       "      <td>28235</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>No</td>\n",
       "      <td>45.0</td>\n",
       "      <td>10</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>670000.0</td>\n",
       "      <td>867480.0</td>\n",
       "      <td>Norway</td>\n",
       "      <td>Norwegian krone</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>37.0</td>\n",
       "      <td>35</td>\n",
       "      <td>22</td>\n",
       "      <td>adult</td>\n",
       "      <td>NaN</td>\n",
       "      <td>[Industry that I’d be working in, Flex time or...</td>\n",
       "      <td>Flex time or a flexible schedule</td>\n",
       "      <td>Office environment or company culture</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>26082</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>29.0</td>\n",
       "      <td>14</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>65000.0</td>\n",
       "      <td>65000.0</td>\n",
       "      <td>China</td>\n",
       "      <td>United States dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>ASP.NET Core;jQuery;Laravel;React.js;Vue.js</td>\n",
       "      <td>A lot less welcome now than last year</td>\n",
       "      <td>45.0</td>\n",
       "      <td>9</td>\n",
       "      <td>5</td>\n",
       "      <td>adult</td>\n",
       "      <td>ManStraight / HeterosexualYes</td>\n",
       "      <td>[Industry that I’d be working in, Languages, f...</td>\n",
       "      <td>Languages, frameworks, and other technologies ...</td>\n",
       "      <td>Office environment or company culture</td>\n",
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       "      <th>5</th>\n",
       "      <td>46721</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>No</td>\n",
       "      <td>48.0</td>\n",
       "      <td>11</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>130000.0</td>\n",
       "      <td>83057.0</td>\n",
       "      <td>New Zealand</td>\n",
       "      <td>New Zealand dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>ASP.NET</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>37</td>\n",
       "      <td>14</td>\n",
       "      <td>adult</td>\n",
       "      <td>ManStraight / HeterosexualNo</td>\n",
       "      <td>[Flex time or a flexible schedule, Remote work...</td>\n",
       "      <td>Remote work options</td>\n",
       "      <td>Opportunities for professional development</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>6</th>\n",
       "      <td>26832</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>34.0</td>\n",
       "      <td>26</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>38500.0</td>\n",
       "      <td>49765.0</td>\n",
       "      <td>United Kingdom</td>\n",
       "      <td>Pound sterling</td>\n",
       "      <td>...</td>\n",
       "      <td>ASP.NET Core;React.js</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>38.0</td>\n",
       "      <td>9</td>\n",
       "      <td>6</td>\n",
       "      <td>adult</td>\n",
       "      <td>ManStraight / HeterosexualNo</td>\n",
       "      <td>[Flex time or a flexible schedule, Languages, ...</td>\n",
       "      <td>Languages, frameworks, and other technologies ...</td>\n",
       "      <td>Opportunities for professional development</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7</th>\n",
       "      <td>35682</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>37.0</td>\n",
       "      <td>14</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>770000.0</td>\n",
       "      <td>83079.0</td>\n",
       "      <td>Norway</td>\n",
       "      <td>Norwegian krone</td>\n",
       "      <td>...</td>\n",
       "      <td>Angular.js;ASP.NET;Django;Express;Flask;jQuery...</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>13</td>\n",
       "      <td>18</td>\n",
       "      <td>adult</td>\n",
       "      <td>ManStraight / HeterosexualNo</td>\n",
       "      <td>[Flex time or a flexible schedule, Languages, ...</td>\n",
       "      <td>Languages, frameworks, and other technologies ...</td>\n",
       "      <td>Remote work options</td>\n",
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       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
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       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
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       "    <tr>\n",
       "      <th>991</th>\n",
       "      <td>32771</td>\n",
       "      <td>I code primarily as a hobby</td>\n",
       "      <td>Yes</td>\n",
       "      <td>29.0</td>\n",
       "      <td>8</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Russian Federation</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>Angular;Django;Express;Flask;React.js;Vue.js</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>NaN</td>\n",
       "      <td>5</td>\n",
       "      <td>NaN</td>\n",
       "      <td>adult</td>\n",
       "      <td>ManStraight / HeterosexualNo</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>993</th>\n",
       "      <td>4528</td>\n",
       "      <td>I am a student who is learning to code</td>\n",
       "      <td>Yes</td>\n",
       "      <td>34.0</td>\n",
       "      <td>10</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>United States</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>Django;Flask;React.js</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>NaN</td>\n",
       "      <td>24</td>\n",
       "      <td>NaN</td>\n",
       "      <td>adult</td>\n",
       "      <td>ManStraight / HeterosexualNo</td>\n",
       "      <td>[Flex time or a flexible schedule, Remote work...</td>\n",
       "      <td>Remote work options</td>\n",
       "      <td>Financial performance or funding status of the...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>994</th>\n",
       "      <td>10977</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>30.0</td>\n",
       "      <td>12</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Germany</td>\n",
       "      <td>European Euro</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>18</td>\n",
       "      <td>7</td>\n",
       "      <td>adult</td>\n",
       "      <td>ManStraight / HeterosexualNo</td>\n",
       "      <td>[Flex time or a flexible schedule, Languages, ...</td>\n",
       "      <td>Languages, frameworks, and other technologies ...</td>\n",
       "      <td>Family friendliness</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>995</th>\n",
       "      <td>51360</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>26.0</td>\n",
       "      <td>13</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>16000.0</td>\n",
       "      <td>12312.0</td>\n",
       "      <td>Egypt</td>\n",
       "      <td>Egyptian pound</td>\n",
       "      <td>...</td>\n",
       "      <td>Angular;Angular.js;React.js</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>10</td>\n",
       "      <td>3</td>\n",
       "      <td>adult</td>\n",
       "      <td>ManStraight / HeterosexualNo</td>\n",
       "      <td>[Flex time or a flexible schedule, Languages, ...</td>\n",
       "      <td>Languages, frameworks, and other technologies ...</td>\n",
       "      <td>Opportunities for professional development</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>999</th>\n",
       "      <td>51843</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>29.0</td>\n",
       "      <td>20</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>90000.0</td>\n",
       "      <td>10680.0</td>\n",
       "      <td>Kenya</td>\n",
       "      <td>Kenyan shilling</td>\n",
       "      <td>...</td>\n",
       "      <td>Angular;Angular.js;jQuery;Laravel</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>8.0</td>\n",
       "      <td>8</td>\n",
       "      <td>5</td>\n",
       "      <td>adult</td>\n",
       "      <td>ManStraight / HeterosexualNo</td>\n",
       "      <td>[Languages, frameworks, and other technologies...</td>\n",
       "      <td>Remote work options</td>\n",
       "      <td>Opportunities for professional development</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>662 rows × 66 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "     respondent                              mainbranch hobbyist  user_age  \\\n",
       "1         28235          I am a developer by profession       No      45.0   \n",
       "2         26082          I am a developer by profession      Yes      29.0   \n",
       "5         46721          I am a developer by profession       No      48.0   \n",
       "6         26832          I am a developer by profession      Yes      34.0   \n",
       "7         35682          I am a developer by profession      Yes      37.0   \n",
       "..          ...                                     ...      ...       ...   \n",
       "991       32771             I code primarily as a hobby      Yes      29.0   \n",
       "993        4528  I am a student who is learning to code      Yes      34.0   \n",
       "994       10977          I am a developer by profession      Yes      30.0   \n",
       "995       51360          I am a developer by profession      Yes      26.0   \n",
       "999       51843          I am a developer by profession      Yes      29.0   \n",
       "\n",
       "    age1stcode compfreq  comptotal  convertedcomp             country  \\\n",
       "1           10  Monthly   670000.0       867480.0              Norway   \n",
       "2           14   Yearly    65000.0        65000.0               China   \n",
       "5           11   Yearly   130000.0        83057.0         New Zealand   \n",
       "6           26   Yearly    38500.0        49765.0      United Kingdom   \n",
       "7           14   Yearly   770000.0        83079.0              Norway   \n",
       "..         ...      ...        ...            ...                 ...   \n",
       "991          8      NaN        NaN            NaN  Russian Federation   \n",
       "993         10      NaN        NaN            NaN       United States   \n",
       "994         12      NaN        NaN            NaN             Germany   \n",
       "995         13  Monthly    16000.0        12312.0               Egypt   \n",
       "999         20  Monthly    90000.0        10680.0               Kenya   \n",
       "\n",
       "             currencydesc  ...  \\\n",
       "1         Norwegian krone  ...   \n",
       "2    United States dollar  ...   \n",
       "5      New Zealand dollar  ...   \n",
       "6          Pound sterling  ...   \n",
       "7         Norwegian krone  ...   \n",
       "..                    ...  ...   \n",
       "991                   NaN  ...   \n",
       "993                   NaN  ...   \n",
       "994         European Euro  ...   \n",
       "995        Egyptian pound  ...   \n",
       "999       Kenyan shilling  ...   \n",
       "\n",
       "                                    webframeworkedwith  \\\n",
       "1                                                  NaN   \n",
       "2          ASP.NET Core;jQuery;Laravel;React.js;Vue.js   \n",
       "5                                              ASP.NET   \n",
       "6                                ASP.NET Core;React.js   \n",
       "7    Angular.js;ASP.NET;Django;Express;Flask;jQuery...   \n",
       "..                                                 ...   \n",
       "991       Angular;Django;Express;Flask;React.js;Vue.js   \n",
       "993                              Django;Flask;React.js   \n",
       "994                                                NaN   \n",
       "995                        Angular;Angular.js;React.js   \n",
       "999                  Angular;Angular.js;jQuery;Laravel   \n",
       "\n",
       "                               welcomechange workweekhrs yearscode  \\\n",
       "1    Just as welcome now as I felt last year        37.0        35   \n",
       "2      A lot less welcome now than last year        45.0         9   \n",
       "5    Just as welcome now as I felt last year        40.0        37   \n",
       "6    Just as welcome now as I felt last year        38.0         9   \n",
       "7    Just as welcome now as I felt last year        40.0        13   \n",
       "..                                       ...         ...       ...   \n",
       "991  Just as welcome now as I felt last year         NaN         5   \n",
       "993  Just as welcome now as I felt last year         NaN        24   \n",
       "994  Just as welcome now as I felt last year        40.0        18   \n",
       "995  Just as welcome now as I felt last year        40.0        10   \n",
       "999  Just as welcome now as I felt last year         8.0         8   \n",
       "\n",
       "    yearscodepro age_group                        gen_col  \\\n",
       "1             22     adult                            NaN   \n",
       "2              5     adult  ManStraight / HeterosexualYes   \n",
       "5             14     adult   ManStraight / HeterosexualNo   \n",
       "6              6     adult   ManStraight / HeterosexualNo   \n",
       "7             18     adult   ManStraight / HeterosexualNo   \n",
       "..           ...       ...                            ...   \n",
       "991          NaN     adult   ManStraight / HeterosexualNo   \n",
       "993          NaN     adult   ManStraight / HeterosexualNo   \n",
       "994            7     adult   ManStraight / HeterosexualNo   \n",
       "995            3     adult   ManStraight / HeterosexualNo   \n",
       "999            5     adult   ManStraight / HeterosexualNo   \n",
       "\n",
       "                                           job_factors  \\\n",
       "1    [Industry that I’d be working in, Flex time or...   \n",
       "2    [Industry that I’d be working in, Languages, f...   \n",
       "5    [Flex time or a flexible schedule, Remote work...   \n",
       "6    [Flex time or a flexible schedule, Languages, ...   \n",
       "7    [Flex time or a flexible schedule, Languages, ...   \n",
       "..                                                 ...   \n",
       "991                                                NaN   \n",
       "993  [Flex time or a flexible schedule, Remote work...   \n",
       "994  [Flex time or a flexible schedule, Languages, ...   \n",
       "995  [Flex time or a flexible schedule, Languages, ...   \n",
       "999  [Languages, frameworks, and other technologies...   \n",
       "\n",
       "                                              job_fac2  \\\n",
       "1                     Flex time or a flexible schedule   \n",
       "2    Languages, frameworks, and other technologies ...   \n",
       "5                                  Remote work options   \n",
       "6    Languages, frameworks, and other technologies ...   \n",
       "7    Languages, frameworks, and other technologies ...   \n",
       "..                                                 ...   \n",
       "991                                                NaN   \n",
       "993                                Remote work options   \n",
       "994  Languages, frameworks, and other technologies ...   \n",
       "995  Languages, frameworks, and other technologies ...   \n",
       "999                                Remote work options   \n",
       "\n",
       "                                              job_fac3  \n",
       "1                Office environment or company culture  \n",
       "2                Office environment or company culture  \n",
       "5           Opportunities for professional development  \n",
       "6           Opportunities for professional development  \n",
       "7                                  Remote work options  \n",
       "..                                                 ...  \n",
       "991                                                NaN  \n",
       "993  Financial performance or funding status of the...  \n",
       "994                                Family friendliness  \n",
       "995         Opportunities for professional development  \n",
       "999         Opportunities for professional development  \n",
       "\n",
       "[662 rows x 66 columns]"
      ]
     },
     "execution_count": 131,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df[age_filter]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 133,
   "id": "1c957e82-9620-4e72-b8ac-33393ffdae16",
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    {
     "data": {
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       "Index([  1,   2,   5,   6,   7,   8,   9,  10,  12,  13,\n",
       "       ...\n",
       "       985, 986, 987, 989, 990, 991, 993, 994, 995, 999],\n",
       "      dtype='int64', length=662)"
      ]
     },
     "execution_count": 133,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df[age_filter].index"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 138,
   "id": "5a803fd3-dcf3-481b-937d-1738e414c64c",
   "metadata": {},
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       "      <th>respondent</th>\n",
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       "      <td>20900</td>\n",
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       "      <td>53040.0</td>\n",
       "      <td>Bulgaria</td>\n",
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       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>45.0</td>\n",
       "      <td>23</td>\n",
       "      <td>15</td>\n",
       "      <td>NaN</td>\n",
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       "      <td>[Industry that I’d be working in, Flex time or...</td>\n",
       "      <td>Flex time or a flexible schedule</td>\n",
       "      <td>Languages, frameworks, and other technologies ...</td>\n",
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       "      <td>19890</td>\n",
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       "      <td>61.0</td>\n",
       "      <td>21</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Canada</td>\n",
       "      <td>Canadian dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Somewhat less welcome now than last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>39</td>\n",
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       "      <td>NaN</td>\n",
       "      <td>[Languages, frameworks, and other technologies...</td>\n",
       "      <td>Specific department or team I’d be working on</td>\n",
       "      <td>Opportunities for professional development</td>\n",
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       "      <th>11</th>\n",
       "      <td>63975</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>15</th>\n",
       "      <td>42246</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>27</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>2100.0</td>\n",
       "      <td>27240.0</td>\n",
       "      <td>Belgium</td>\n",
       "      <td>European Euro</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
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       "      <td>Family friendliness</td>\n",
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       "    <tr>\n",
       "      <th>22</th>\n",
       "      <td>52375</td>\n",
       "      <td>I am not primarily a developer, but I write co...</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>10</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>United States</td>\n",
       "      <td>United States dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>35.0</td>\n",
       "      <td>15</td>\n",
       "      <td>5</td>\n",
       "      <td>NaN</td>\n",
       "      <td>ManStraight / HeterosexualNo</td>\n",
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       "      <td>Languages, frameworks, and other technologies ...</td>\n",
       "      <td>Family friendliness</td>\n",
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       "      <th>...</th>\n",
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       "      <td>...</td>\n",
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       "      <td>...</td>\n",
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       "      <td>...</td>\n",
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       "      <th>988</th>\n",
       "      <td>275</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>No</td>\n",
       "      <td>NaN</td>\n",
       "      <td>18</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Nepal</td>\n",
       "      <td>NaN</td>\n",
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       "      <td>Spring;Vue.js</td>\n",
       "      <td>Somewhat more welcome now than last year</td>\n",
       "      <td>NaN</td>\n",
       "      <td>6</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>[Languages, frameworks, and other technologies...</td>\n",
       "      <td>Office environment or company culture</td>\n",
       "      <td>Opportunities for professional development</td>\n",
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       "      <th>992</th>\n",
       "      <td>63802</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>20</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>India</td>\n",
       "      <td>Indian rupee</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>3</td>\n",
       "      <td>2</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>996</th>\n",
       "      <td>16771</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>11</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>United States</td>\n",
       "      <td>United States dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>Angular;Express;Spring</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>50.0</td>\n",
       "      <td>41</td>\n",
       "      <td>24</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>997</th>\n",
       "      <td>38831</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Netherlands</td>\n",
       "      <td>NaN</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>998</th>\n",
       "      <td>7093</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>Yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Indonesia</td>\n",
       "      <td>Indonesian rupiah</td>\n",
       "      <td>...</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
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       "<p>337 rows × 66 columns</p>\n",
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      "text/plain": [
       "     respondent                                         mainbranch hobbyist  \\\n",
       "0         20900                     I am a developer by profession      Yes   \n",
       "3         19890                     I am a developer by profession      Yes   \n",
       "11        63975                     I am a developer by profession       No   \n",
       "15        42246                     I am a developer by profession       No   \n",
       "22        52375  I am not primarily a developer, but I write co...      Yes   \n",
       "..          ...                                                ...      ...   \n",
       "988         275                     I am a developer by profession       No   \n",
       "992       63802                     I am a developer by profession      Yes   \n",
       "996       16771                     I am a developer by profession      Yes   \n",
       "997       38831                     I am a developer by profession      Yes   \n",
       "998        7093                     I am a developer by profession      Yes   \n",
       "\n",
       "     user_age age1stcode compfreq  comptotal  convertedcomp        country  \\\n",
       "0         NaN         10  Monthly     8000.0        53040.0       Bulgaria   \n",
       "3        61.0         21      NaN        NaN            NaN         Canada   \n",
       "11        NaN        NaN      NaN        NaN            NaN            NaN   \n",
       "15        NaN         27  Monthly     2100.0        27240.0        Belgium   \n",
       "22        NaN         10      NaN        NaN            NaN  United States   \n",
       "..        ...        ...      ...        ...            ...            ...   \n",
       "988       NaN         18      NaN        NaN            NaN          Nepal   \n",
       "992       NaN         20  Monthly        NaN            NaN          India   \n",
       "996       NaN         11      NaN        NaN            NaN  United States   \n",
       "997       NaN        NaN      NaN        NaN            NaN    Netherlands   \n",
       "998       NaN        NaN      NaN        NaN            NaN      Indonesia   \n",
       "\n",
       "             currencydesc  ...      webframeworkedwith  \\\n",
       "0           Bulgarian lev  ...                     NaN   \n",
       "3         Canadian dollar  ...                     NaN   \n",
       "11                    NaN  ...                     NaN   \n",
       "15          European Euro  ...                     NaN   \n",
       "22   United States dollar  ...                     NaN   \n",
       "..                    ...  ...                     ...   \n",
       "988                   NaN  ...           Spring;Vue.js   \n",
       "992          Indian rupee  ...                     NaN   \n",
       "996  United States dollar  ...  Angular;Express;Spring   \n",
       "997                   NaN  ...                     NaN   \n",
       "998     Indonesian rupiah  ...                     NaN   \n",
       "\n",
       "                                welcomechange workweekhrs yearscode  \\\n",
       "0     Just as welcome now as I felt last year        45.0        23   \n",
       "3    Somewhat less welcome now than last year        40.0        39   \n",
       "11                                        NaN         NaN       NaN   \n",
       "15    Just as welcome now as I felt last year        40.0         1   \n",
       "22    Just as welcome now as I felt last year        35.0        15   \n",
       "..                                        ...         ...       ...   \n",
       "988  Somewhat more welcome now than last year         NaN         6   \n",
       "992                                       NaN         NaN         3   \n",
       "996   Just as welcome now as I felt last year        50.0        41   \n",
       "997                                       NaN         NaN       NaN   \n",
       "998                                       NaN         NaN       NaN   \n",
       "\n",
       "    yearscodepro age_group                       gen_col  \\\n",
       "0             15       NaN                           NaN   \n",
       "3             29     adult                           NaN   \n",
       "11           NaN       NaN                           NaN   \n",
       "15             1       NaN                           NaN   \n",
       "22             5       NaN  ManStraight / HeterosexualNo   \n",
       "..           ...       ...                           ...   \n",
       "988          NaN       NaN                           NaN   \n",
       "992            2       NaN                           NaN   \n",
       "996           24       NaN                           NaN   \n",
       "997          NaN       NaN                           NaN   \n",
       "998          NaN       NaN                           NaN   \n",
       "\n",
       "                                           job_factors  \\\n",
       "0    [Industry that I’d be working in, Flex time or...   \n",
       "3    [Languages, frameworks, and other technologies...   \n",
       "11                                                 NaN   \n",
       "15   [Office environment or company culture, Opport...   \n",
       "22   [Flex time or a flexible schedule, Languages, ...   \n",
       "..                                                 ...   \n",
       "988  [Languages, frameworks, and other technologies...   \n",
       "992                                                NaN   \n",
       "996                                                NaN   \n",
       "997                                                NaN   \n",
       "998                                                NaN   \n",
       "\n",
       "                                              job_fac2  \\\n",
       "0                     Flex time or a flexible schedule   \n",
       "3        Specific department or team I’d be working on   \n",
       "11                                                 NaN   \n",
       "15          Opportunities for professional development   \n",
       "22   Languages, frameworks, and other technologies ...   \n",
       "..                                                 ...   \n",
       "988              Office environment or company culture   \n",
       "992                                                NaN   \n",
       "996                                                NaN   \n",
       "997                                                NaN   \n",
       "998                                                NaN   \n",
       "\n",
       "                                              job_fac3  \n",
       "0    Languages, frameworks, and other technologies ...  \n",
       "3           Opportunities for professional development  \n",
       "11                                                 NaN  \n",
       "15                                 Family friendliness  \n",
       "22                                 Family friendliness  \n",
       "..                                                 ...  \n",
       "988         Opportunities for professional development  \n",
       "992                                                NaN  \n",
       "996                                                NaN  \n",
       "997                                                NaN  \n",
       "998                                                NaN  \n",
       "\n",
       "[337 rows x 66 columns]"
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   ],
   "source": [
    "survey_df.drop(survey_df[age_filter].index) #删除满足特定条件的数据"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 139,
   "id": "ce911887-897f-4eeb-ae68-5c13824194a3",
   "metadata": {},
   "outputs": [],
   "source": [
    "#学完了基本的数据更新和查询，接下来学习一下如何使用4个特别的函数（apply，map，applymap，replace）对DataFrame的数据进行更灵活的操作。\n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 141,
   "id": "c0e53655-8ee9-4281-b768-82e885dbe747",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "respondent       int64\n",
       "mainbranch      object\n",
       "hobbyist        object\n",
       "user_age       float64\n",
       "age1stcode      object\n",
       "                ...   \n",
       "age_group       object\n",
       "gen_col         object\n",
       "job_factors     object\n",
       "job_fac2        object\n",
       "job_fac3        object\n",
       "Length: 66, dtype: object"
      ]
     },
     "execution_count": 141,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.dtypes"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 143,
   "id": "0b910944-c40d-4006-aba2-31abe006ae7e",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "Index(['respondent', 'mainbranch', 'hobbyist', 'user_age', 'age1stcode',\n",
       "       'compfreq', 'comptotal', 'convertedcomp', 'country', 'currencydesc',\n",
       "       'currencysymbol', 'databasedesirenextyear', 'databaseworkedwith',\n",
       "       'devtype', 'edlevel', 'employment', 'ethnicity', 'gender', 'jobfactors',\n",
       "       'jobsat', 'jobseek', 'languagedesirenextyear', 'languageworkedwith',\n",
       "       'misctechdesirenextyear', 'misctechworkedwith',\n",
       "       'newcollabtoolsdesirenextyear', 'newcollabtoolsworkedwith', 'newdevops',\n",
       "       'newdevopsimpt', 'newedimpt', 'newjobhunt', 'newjobhuntresearch',\n",
       "       'newlearn', 'newofftopic', 'newonboardgood', 'newothercomms',\n",
       "       'newovertime', 'newpurchaseresearch', 'newpurplelink', 'newsosites',\n",
       "       'newstuck', 'opsys', 'organization_size', 'platformdesirenextyear',\n",
       "       'platformworkedwith', 'purchasewhat', 'sexuality', 'soaccount',\n",
       "       'socomm', 'sopartfreq', 'sovisitfreq', 'surveyease', 'surveylength',\n",
       "       'trans', 'undergradmajor', 'webframedesirenextyear',\n",
       "       'webframeworkedwith', 'welcomechange', 'workweekhrs', 'yearscode',\n",
       "       'yearscodepro', 'age_group', 'gen_col', 'job_factors', 'job_fac2',\n",
       "       'job_fac3'],\n",
       "      dtype='object')"
      ]
     },
     "execution_count": 143,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "dtypes = survey_df.dtypes\n",
    "dtypes.index"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 144,
   "id": "b404c62c-38ee-49c3-bdae-905ee59ffee7",
   "metadata": {},
   "outputs": [],
   "source": [
    "str_cols = [col_name for col_name in dtypes.index if dtypes[col_name] == 'object']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 145,
   "id": "d4542c6a-0efe-47a8-a3b2-be21e3162bdf",
   "metadata": {},
   "outputs": [],
   "source": [
    "survey_df[str_cols] = survey_df[str_cols].astype(str)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 146,
   "id": "f7b1debb-a389-4fd2-a77a-63c52e3dbefe",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "respondent       int64\n",
       "mainbranch      object\n",
       "hobbyist        object\n",
       "user_age       float64\n",
       "age1stcode      object\n",
       "                ...   \n",
       "age_group       object\n",
       "gen_col         object\n",
       "job_factors     object\n",
       "job_fac2        object\n",
       "job_fac3        object\n",
       "Length: 66, dtype: object"
      ]
     },
     "execution_count": 146,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.dtypes"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 148,
   "id": "d51424af-6957-4a86-82c2-591bc0f39452",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0      3\n",
       "1      2\n",
       "2      3\n",
       "3      3\n",
       "5      2\n",
       "      ..\n",
       "995    3\n",
       "996    3\n",
       "997    3\n",
       "998    3\n",
       "999    3\n",
       "Name: hobbyist, Length: 999, dtype: int64"
      ]
     },
     "execution_count": 148,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df['hobbyist'].apply(len)\n",
    "# 查看这列数据的字符长度"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 149,
   "id": "a5d96923-d8f4-4dc2-a504-f487626040d2",
   "metadata": {},
   "outputs": [],
   "source": [
    "def upper_case(col_value):\n",
    "     return col_value.upper()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 150,
   "id": "8e710774-816b-41ed-a7fa-f37e979bec65",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0      YES\n",
       "1       NO\n",
       "2      YES\n",
       "3      YES\n",
       "5       NO\n",
       "      ... \n",
       "995    YES\n",
       "996    YES\n",
       "997    YES\n",
       "998    YES\n",
       "999    YES\n",
       "Name: hobbyist, Length: 999, dtype: object"
      ]
     },
     "execution_count": 150,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df['hobbyist'] = survey_df['hobbyist'].apply(upper_case) # 将此列的数据全部变成大写\n",
    "survey_df['hobbyist']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 151,
   "id": "bb3bfd6c-e493-400b-9a42-5090d9a761db",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0      yes\n",
       "1       no\n",
       "2      yes\n",
       "3      yes\n",
       "5       no\n",
       "      ... \n",
       "995    yes\n",
       "996    yes\n",
       "997    yes\n",
       "998    yes\n",
       "999    yes\n",
       "Name: hobbyist, Length: 999, dtype: object"
      ]
     },
     "execution_count": 151,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df['hobbyist'] = survey_df['hobbyist'].apply(lambda x: x.lower()) # 使用匿名函数将此列数据全部变成小写\n",
    "survey_df['hobbyist']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 158,
   "id": "c6cb8774-1ddc-4f9e-ae00-e4820590edce",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "respondent     999\n",
       "mainbranch     999\n",
       "hobbyist       999\n",
       "user_age       999\n",
       "age1stcode     999\n",
       "              ... \n",
       "age_group      999\n",
       "gen_col        999\n",
       "job_factors    999\n",
       "job_fac2       999\n",
       "job_fac3       999\n",
       "Length: 66, dtype: int64"
      ]
     },
     "execution_count": 158,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.apply(len)\n",
    "# 查看每列的长度（有多少行）"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 159,
   "id": "dff95a56-79b8-46b4-9d89-1f3d0be3361b",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0      66\n",
       "1      66\n",
       "2      66\n",
       "3      66\n",
       "5      66\n",
       "       ..\n",
       "995    66\n",
       "996    66\n",
       "997    66\n",
       "998    66\n",
       "999    66\n",
       "Length: 999, dtype: int64"
      ]
     },
     "execution_count": 159,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.apply(len, axis = 'columns')\n",
    "# 查看每行的长度（有多少列）"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 160,
   "id": "ef8a8005-a867-4abc-a776-363b9c7b6e3d",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "respondent                                                    59\n",
       "mainbranch                        I am a developer by profession\n",
       "hobbyist                                                     nan\n",
       "user_age                                                    13.0\n",
       "age1stcode                                                    10\n",
       "                                     ...                        \n",
       "age_group                                                  adult\n",
       "gen_col        Man;Non-binary, genderqueer, or gender non-con...\n",
       "job_factors    ['Diversity of the company or organization', '...\n",
       "job_fac2                Diversity of the company or organization\n",
       "job_fac3                                     Family friendliness\n",
       "Length: 66, dtype: object"
      ]
     },
     "execution_count": 160,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.apply(pd.Series.min) # 查看每列中最小的元素"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 161,
   "id": "b2caa12d-7f7c-41dd-bbbd-114a9ca4cd08",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "respondent                                                    59\n",
       "mainbranch                        I am a developer by profession\n",
       "hobbyist                                                     nan\n",
       "user_age                                                    13.0\n",
       "age1stcode                                                    10\n",
       "                                     ...                        \n",
       "age_group                                                  adult\n",
       "gen_col        Man;Non-binary, genderqueer, or gender non-con...\n",
       "job_factors    ['Diversity of the company or organization', '...\n",
       "job_fac2                Diversity of the company or organization\n",
       "job_fac3                                     Family friendliness\n",
       "Length: 66, dtype: object"
      ]
     },
     "execution_count": 161,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.apply(lambda x: x.min()) # 其中 x 代表一个Series，此行代码也能拿到每列中最小的数值"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 163,
   "id": "b414ecfd-b7c8-4c9e-8914-fa01aecf49d7",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0       True\n",
       "1      False\n",
       "2       True\n",
       "3       True\n",
       "5      False\n",
       "       ...  \n",
       "995     True\n",
       "996     True\n",
       "997     True\n",
       "998     True\n",
       "999     True\n",
       "Name: hobbyist, Length: 999, dtype: object"
      ]
     },
     "execution_count": 163,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "map_dict = {'yes': 'True', 'no': 'False'}\n",
    "survey_df['hobbyist'].map(map_dict) # 将yes转为True，no转为False，不match的变成NaN\n",
    "#map只能用于Series："
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 167,
   "id": "57e952b7-bbe0-402d-b627-4a24a6b965e7",
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "/var/folders/8x/mqksqpls3zqbwj71jz54jj8c0000gn/T/ipykernel_78111/2813973773.py:2: FutureWarning: DataFrame.applymap has been deprecated. Use DataFrame.map instead.\n",
      "  survey_df[str_cols].applymap(len) # 针对于每个元素，对每个str数据类型的数据使用len函数\n"
     ]
    },
    {
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       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>mainbranch</th>\n",
       "      <th>hobbyist</th>\n",
       "      <th>age1stcode</th>\n",
       "      <th>compfreq</th>\n",
       "      <th>country</th>\n",
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       "      <th>997</th>\n",
       "      <td>30</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>11</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>...</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>998</th>\n",
       "      <td>30</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>9</td>\n",
       "      <td>17</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>...</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "      <td>3</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>999</th>\n",
       "      <td>30</td>\n",
       "      <td>3</td>\n",
       "      <td>2</td>\n",
       "      <td>7</td>\n",
       "      <td>5</td>\n",
       "      <td>15</td>\n",
       "      <td>3</td>\n",
       "      <td>25</td>\n",
       "      <td>16</td>\n",
       "      <td>112</td>\n",
       "      <td>...</td>\n",
       "      <td>33</td>\n",
       "      <td>33</td>\n",
       "      <td>39</td>\n",
       "      <td>1</td>\n",
       "      <td>1</td>\n",
       "      <td>5</td>\n",
       "      <td>28</td>\n",
       "      <td>138</td>\n",
       "      <td>19</td>\n",
       "      <td>42</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>999 rows × 61 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "     mainbranch  hobbyist  age1stcode  compfreq  country  currencydesc  \\\n",
       "0            30         3           2         7        8            13   \n",
       "1            30         2           2         7        6            15   \n",
       "2            30         3           2         6        5            20   \n",
       "3            30         3           2         3        6            15   \n",
       "5            30         2           2         6       11            18   \n",
       "..          ...       ...         ...       ...      ...           ...   \n",
       "995          30         3           2         7        5            14   \n",
       "996          30         3           2         3       13            20   \n",
       "997          30         3           3         3       11             3   \n",
       "998          30         3           3         3        9            17   \n",
       "999          30         3           2         7        5            15   \n",
       "\n",
       "     currencysymbol  databasedesirenextyear  databaseworkedwith  devtype  ...  \\\n",
       "0                 3                      15                  29      220  ...   \n",
       "1                 3                       3                   3       17  ...   \n",
       "2                 3                      31                  44       21  ...   \n",
       "3                 3                       3                  20       54  ...   \n",
       "5                 3                      35                  27      223  ...   \n",
       "..              ...                     ...                 ...      ...  ...   \n",
       "995               3                       3                   8       82  ...   \n",
       "996               3                      20                  29      112  ...   \n",
       "997               3                       3                   3        3  ...   \n",
       "998               3                       3                   3        3  ...   \n",
       "999               3                      25                  16      112  ...   \n",
       "\n",
       "     webframedesirenextyear  webframeworkedwith  welcomechange  yearscode  \\\n",
       "0                         3                   3             39          2   \n",
       "1                         3                   3             39          2   \n",
       "2                        21                  43             37          1   \n",
       "3                         3                   3             40          2   \n",
       "5                        15                   7             39          2   \n",
       "..                      ...                 ...            ...        ...   \n",
       "995                      16                  27             39          2   \n",
       "996                      22                  22             39          2   \n",
       "997                       3                   3              3          3   \n",
       "998                       3                   3              3          3   \n",
       "999                      33                  33             39          1   \n",
       "\n",
       "     yearscodepro  age_group  gen_col  job_factors  job_fac2  job_fac3  \n",
       "0               2          3        3          140        32        65  \n",
       "1               2          5        3          112        32        37  \n",
       "2               1          5       29          145        65        37  \n",
       "3               2          5        3          164        45        42  \n",
       "5               2          5       28          105        19        42  \n",
       "..            ...        ...      ...          ...       ...       ...  \n",
       "995             1          5       28          151        65        42  \n",
       "996             2          3        3            3         3         3  \n",
       "997             3          3        3            3         3         3  \n",
       "998             3          3        3            3         3         3  \n",
       "999             1          5       28          138        19        42  \n",
       "\n",
       "[999 rows x 61 columns]"
      ]
     },
     "execution_count": 167,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# map主要是针对Series的，那apply和map合起来的applymap则是针对每一个数据的：\n",
    "survey_df[str_cols].applymap(len) # 针对于每个元素，对每个str数据类型的数据使用len函数\n",
    "\n",
    "#####DataFrame.applymap has been deprecated. Use DataFrame.map instead.########\n",
    "#英不再支持applymap，直接用map就好。"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 168,
   "id": "6eb61c52-af61-4b70-88f8-a82351b3af02",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0      True\n",
       "1        no\n",
       "2      True\n",
       "3      True\n",
       "5        no\n",
       "       ... \n",
       "995    True\n",
       "996    True\n",
       "997    True\n",
       "998    True\n",
       "999    True\n",
       "Name: hobbyist, Length: 999, dtype: object"
      ]
     },
     "execution_count": 168,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "map_dict = {'yes': 'True'}\n",
    "survey_df['hobbyist'].replace(map_dict) # yes 会变成 True，其他保持不变"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 169,
   "id": "71bf3fe5-843d-4abb-b0dd-4aceef6d8a0a",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0      True\n",
       "1       NaN\n",
       "2      True\n",
       "3      True\n",
       "5       NaN\n",
       "       ... \n",
       "995    True\n",
       "996    True\n",
       "997    True\n",
       "998    True\n",
       "999    True\n",
       "Name: hobbyist, Length: 999, dtype: object"
      ]
     },
     "execution_count": 169,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df['hobbyist'].map(map_dict) # no 和 nan 都会变成 NaN"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 170,
   "id": "0fe5c494-9584-4635-b683-a7038d208c3f",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>respondent</th>\n",
       "      <th>mainbranch</th>\n",
       "      <th>hobbyist</th>\n",
       "      <th>user_age</th>\n",
       "      <th>age1stcode</th>\n",
       "      <th>compfreq</th>\n",
       "      <th>comptotal</th>\n",
       "      <th>convertedcomp</th>\n",
       "      <th>country</th>\n",
       "      <th>currencydesc</th>\n",
       "      <th>...</th>\n",
       "      <th>webframeworkedwith</th>\n",
       "      <th>welcomechange</th>\n",
       "      <th>workweekhrs</th>\n",
       "      <th>yearscode</th>\n",
       "      <th>yearscodepro</th>\n",
       "      <th>age_group</th>\n",
       "      <th>gen_col</th>\n",
       "      <th>job_factors</th>\n",
       "      <th>job_fac2</th>\n",
       "      <th>job_fac3</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>20900</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>10</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>8000.0</td>\n",
       "      <td>53040.0</td>\n",
       "      <td>Bulgaria</td>\n",
       "      <td>Bulgarian lev</td>\n",
       "      <td>...</td>\n",
       "      <td>nan</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>45.0</td>\n",
       "      <td>23</td>\n",
       "      <td>15</td>\n",
       "      <td>nan</td>\n",
       "      <td>nan</td>\n",
       "      <td>['Industry that I’d be working in', 'Flex time...</td>\n",
       "      <td>Flex time or a flexible schedule</td>\n",
       "      <td>Languages, frameworks, and other technologies ...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>28235</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>no</td>\n",
       "      <td>45.0</td>\n",
       "      <td>10</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>670000.0</td>\n",
       "      <td>867480.0</td>\n",
       "      <td>Norway</td>\n",
       "      <td>Norwegian krone</td>\n",
       "      <td>...</td>\n",
       "      <td>nan</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>37.0</td>\n",
       "      <td>35</td>\n",
       "      <td>22</td>\n",
       "      <td>adult</td>\n",
       "      <td>nan</td>\n",
       "      <td>['Industry that I’d be working in', 'Flex time...</td>\n",
       "      <td>Flex time or a flexible schedule</td>\n",
       "      <td>Office environment or company culture</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>26082</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>yes</td>\n",
       "      <td>29.0</td>\n",
       "      <td>14</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>65000.0</td>\n",
       "      <td>65000.0</td>\n",
       "      <td>China</td>\n",
       "      <td>United States dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>ASP.NET Core;jQuery;Laravel;React.js;Vue.js</td>\n",
       "      <td>A lot less welcome now than last year</td>\n",
       "      <td>45.0</td>\n",
       "      <td>9</td>\n",
       "      <td>5</td>\n",
       "      <td>adult</td>\n",
       "      <td>ManStraight / HeterosexualYes</td>\n",
       "      <td>['Industry that I’d be working in', 'Languages...</td>\n",
       "      <td>Languages, frameworks, and other technologies ...</td>\n",
       "      <td>Office environment or company culture</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>19890</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>yes</td>\n",
       "      <td>61.0</td>\n",
       "      <td>21</td>\n",
       "      <td>nan</td>\n",
       "      <td>NaN</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Canada</td>\n",
       "      <td>Canadian dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>nan</td>\n",
       "      <td>Somewhat less welcome now than last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>39</td>\n",
       "      <td>29</td>\n",
       "      <td>adult</td>\n",
       "      <td>nan</td>\n",
       "      <td>['Languages, frameworks, and other technologie...</td>\n",
       "      <td>Specific department or team I’d be working on</td>\n",
       "      <td>Opportunities for professional development</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>46721</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>no</td>\n",
       "      <td>48.0</td>\n",
       "      <td>11</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>130000.0</td>\n",
       "      <td>83057.0</td>\n",
       "      <td>New Zealand</td>\n",
       "      <td>New Zealand dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>ASP.NET</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>37</td>\n",
       "      <td>14</td>\n",
       "      <td>adult</td>\n",
       "      <td>ManStraight / HeterosexualNo</td>\n",
       "      <td>['Flex time or a flexible schedule', 'Remote w...</td>\n",
       "      <td>Remote work options</td>\n",
       "      <td>Opportunities for professional development</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>5 rows × 66 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "   respondent                      mainbranch hobbyist  user_age age1stcode  \\\n",
       "0       20900  I am a developer by profession      yes       NaN         10   \n",
       "1       28235  I am a developer by profession       no      45.0         10   \n",
       "2       26082  I am a developer by profession      yes      29.0         14   \n",
       "3       19890  I am a developer by profession      yes      61.0         21   \n",
       "5       46721  I am a developer by profession       no      48.0         11   \n",
       "\n",
       "  compfreq  comptotal  convertedcomp      country          currencydesc  ...  \\\n",
       "0  Monthly     8000.0        53040.0     Bulgaria         Bulgarian lev  ...   \n",
       "1  Monthly   670000.0       867480.0       Norway       Norwegian krone  ...   \n",
       "2   Yearly    65000.0        65000.0        China  United States dollar  ...   \n",
       "3      nan        NaN            NaN       Canada       Canadian dollar  ...   \n",
       "5   Yearly   130000.0        83057.0  New Zealand    New Zealand dollar  ...   \n",
       "\n",
       "                            webframeworkedwith  \\\n",
       "0                                          nan   \n",
       "1                                          nan   \n",
       "2  ASP.NET Core;jQuery;Laravel;React.js;Vue.js   \n",
       "3                                          nan   \n",
       "5                                      ASP.NET   \n",
       "\n",
       "                              welcomechange workweekhrs yearscode  \\\n",
       "0   Just as welcome now as I felt last year        45.0        23   \n",
       "1   Just as welcome now as I felt last year        37.0        35   \n",
       "2     A lot less welcome now than last year        45.0         9   \n",
       "3  Somewhat less welcome now than last year        40.0        39   \n",
       "5   Just as welcome now as I felt last year        40.0        37   \n",
       "\n",
       "  yearscodepro age_group                        gen_col  \\\n",
       "0           15       nan                            nan   \n",
       "1           22     adult                            nan   \n",
       "2            5     adult  ManStraight / HeterosexualYes   \n",
       "3           29     adult                            nan   \n",
       "5           14     adult   ManStraight / HeterosexualNo   \n",
       "\n",
       "                                         job_factors  \\\n",
       "0  ['Industry that I’d be working in', 'Flex time...   \n",
       "1  ['Industry that I’d be working in', 'Flex time...   \n",
       "2  ['Industry that I’d be working in', 'Languages...   \n",
       "3  ['Languages, frameworks, and other technologie...   \n",
       "5  ['Flex time or a flexible schedule', 'Remote w...   \n",
       "\n",
       "                                            job_fac2  \\\n",
       "0                   Flex time or a flexible schedule   \n",
       "1                   Flex time or a flexible schedule   \n",
       "2  Languages, frameworks, and other technologies ...   \n",
       "3      Specific department or team I’d be working on   \n",
       "5                                Remote work options   \n",
       "\n",
       "                                            job_fac3  \n",
       "0  Languages, frameworks, and other technologies ...  \n",
       "1              Office environment or company culture  \n",
       "2              Office environment or company culture  \n",
       "3         Opportunities for professional development  \n",
       "5         Opportunities for professional development  \n",
       "\n",
       "[5 rows x 66 columns]"
      ]
     },
     "execution_count": 170,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.head()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 175,
   "id": "d1679caa-9c3b-4cfc-9034-630155e21348",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
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       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>comptotal</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   comptotal\n",
       "3        NaN"
      ]
     },
     "execution_count": 175,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.iloc[[3], [6]]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 179,
   "id": "3e30f85c-31da-4b52-8823-1481787cb3f9",
   "metadata": {},
   "outputs": [],
   "source": [
    "survey_df.iloc[[3], [6]] = '11111'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 180,
   "id": "6e260ede-e568-4765-ac85-4290061ec320",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
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       "\n",
       "    .dataframe tbody tr th {\n",
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       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>comptotal</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>11111</td>\n",
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      "text/plain": [
       "  comptotal\n",
       "3     11111"
      ]
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     "execution_count": 180,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.iloc[[3], [6]]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 181,
   "id": "7f5229eb-d05f-431b-8321-fa08c1a69d1b",
   "metadata": {},
   "outputs": [],
   "source": [
    "#Homework\n",
    "#找出所有以编程为兴趣，并且年龄小于25岁的用户。\n",
    "#在原来的dataframe中给这些特定用户新添一个column叫做code_years，这列的值等于user_age – age1stcode"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 182,
   "id": "243a5405-06c1-40b4-b6f5-09d39b01481e",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "Index(['respondent', 'mainbranch', 'hobbyist', 'user_age', 'age1stcode',\n",
       "       'compfreq', 'comptotal', 'convertedcomp', 'country', 'currencydesc',\n",
       "       'currencysymbol', 'databasedesirenextyear', 'databaseworkedwith',\n",
       "       'devtype', 'edlevel', 'employment', 'ethnicity', 'gender', 'jobfactors',\n",
       "       'jobsat', 'jobseek', 'languagedesirenextyear', 'languageworkedwith',\n",
       "       'misctechdesirenextyear', 'misctechworkedwith',\n",
       "       'newcollabtoolsdesirenextyear', 'newcollabtoolsworkedwith', 'newdevops',\n",
       "       'newdevopsimpt', 'newedimpt', 'newjobhunt', 'newjobhuntresearch',\n",
       "       'newlearn', 'newofftopic', 'newonboardgood', 'newothercomms',\n",
       "       'newovertime', 'newpurchaseresearch', 'newpurplelink', 'newsosites',\n",
       "       'newstuck', 'opsys', 'organization_size', 'platformdesirenextyear',\n",
       "       'platformworkedwith', 'purchasewhat', 'sexuality', 'soaccount',\n",
       "       'socomm', 'sopartfreq', 'sovisitfreq', 'surveyease', 'surveylength',\n",
       "       'trans', 'undergradmajor', 'webframedesirenextyear',\n",
       "       'webframeworkedwith', 'welcomechange', 'workweekhrs', 'yearscode',\n",
       "       'yearscodepro', 'age_group', 'gen_col', 'job_factors', 'job_fac2',\n",
       "       'job_fac3'],\n",
       "      dtype='object')"
      ]
     },
     "execution_count": 182,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.columns"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 183,
   "id": "3d070b30-5720-466a-aafa-2c3628b5c887",
   "metadata": {},
   "outputs": [],
   "source": [
    "age_filter = survey_df['user_age'] < 25"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 184,
   "id": "6e36e50d-e673-4781-a391-85846168d044",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0      False\n",
       "1      False\n",
       "2      False\n",
       "3      False\n",
       "5      False\n",
       "       ...  \n",
       "995    False\n",
       "996    False\n",
       "997    False\n",
       "998    False\n",
       "999    False\n",
       "Name: user_age, Length: 999, dtype: bool"
      ]
     },
     "execution_count": 184,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "age_filter"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 186,
   "id": "c2cc4556-620e-4b2d-8bd2-a0f6e9060664",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "999"
      ]
     },
     "execution_count": 186,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "len(age_filter)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 187,
   "id": "71a97cb0-d6e2-4ccd-9518-f2d3202579d4",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "999"
      ]
     },
     "execution_count": 187,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "age_filter.count()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 189,
   "id": "d9b992ae-97f2-4235-9323-453028d2b476",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0     False\n",
       "1     False\n",
       "2     False\n",
       "3     False\n",
       "5     False\n",
       "6     False\n",
       "7     False\n",
       "8      True\n",
       "9     False\n",
       "10    False\n",
       "11    False\n",
       "12     True\n",
       "13    False\n",
       "14    False\n",
       "15    False\n",
       "16    False\n",
       "17    False\n",
       "18    False\n",
       "19    False\n",
       "20     True\n",
       "Name: user_age, dtype: bool"
      ]
     },
     "execution_count": 189,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "age_filter.head(20)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 190,
   "id": "07af7edf-5c7e-4f74-aac6-69d6a2238e26",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
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       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>respondent</th>\n",
       "      <th>mainbranch</th>\n",
       "      <th>hobbyist</th>\n",
       "      <th>user_age</th>\n",
       "      <th>age1stcode</th>\n",
       "      <th>compfreq</th>\n",
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       "      <th>country</th>\n",
       "      <th>currencydesc</th>\n",
       "      <th>...</th>\n",
       "      <th>webframeworkedwith</th>\n",
       "      <th>welcomechange</th>\n",
       "      <th>workweekhrs</th>\n",
       "      <th>yearscode</th>\n",
       "      <th>yearscodepro</th>\n",
       "      <th>age_group</th>\n",
       "      <th>gen_col</th>\n",
       "      <th>job_factors</th>\n",
       "      <th>job_fac2</th>\n",
       "      <th>job_fac3</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>20900</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>yes</td>\n",
       "      <td>NaN</td>\n",
       "      <td>10</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>8000.0</td>\n",
       "      <td>53040.0</td>\n",
       "      <td>Bulgaria</td>\n",
       "      <td>Bulgarian lev</td>\n",
       "      <td>...</td>\n",
       "      <td>nan</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>45.0</td>\n",
       "      <td>23</td>\n",
       "      <td>15</td>\n",
       "      <td>nan</td>\n",
       "      <td>nan</td>\n",
       "      <td>['Industry that I’d be working in', 'Flex time...</td>\n",
       "      <td>Flex time or a flexible schedule</td>\n",
       "      <td>Languages, frameworks, and other technologies ...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>28235</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>no</td>\n",
       "      <td>45.0</td>\n",
       "      <td>10</td>\n",
       "      <td>Monthly</td>\n",
       "      <td>670000.0</td>\n",
       "      <td>867480.0</td>\n",
       "      <td>Norway</td>\n",
       "      <td>Norwegian krone</td>\n",
       "      <td>...</td>\n",
       "      <td>nan</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>37.0</td>\n",
       "      <td>35</td>\n",
       "      <td>22</td>\n",
       "      <td>adult</td>\n",
       "      <td>nan</td>\n",
       "      <td>['Industry that I’d be working in', 'Flex time...</td>\n",
       "      <td>Flex time or a flexible schedule</td>\n",
       "      <td>Office environment or company culture</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>26082</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>yes</td>\n",
       "      <td>29.0</td>\n",
       "      <td>14</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>65000.0</td>\n",
       "      <td>65000.0</td>\n",
       "      <td>China</td>\n",
       "      <td>United States dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>ASP.NET Core;jQuery;Laravel;React.js;Vue.js</td>\n",
       "      <td>A lot less welcome now than last year</td>\n",
       "      <td>45.0</td>\n",
       "      <td>9</td>\n",
       "      <td>5</td>\n",
       "      <td>adult</td>\n",
       "      <td>ManStraight / HeterosexualYes</td>\n",
       "      <td>['Industry that I’d be working in', 'Languages...</td>\n",
       "      <td>Languages, frameworks, and other technologies ...</td>\n",
       "      <td>Office environment or company culture</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>19890</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>yes</td>\n",
       "      <td>61.0</td>\n",
       "      <td>21</td>\n",
       "      <td>nan</td>\n",
       "      <td>11111</td>\n",
       "      <td>NaN</td>\n",
       "      <td>Canada</td>\n",
       "      <td>Canadian dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>nan</td>\n",
       "      <td>Somewhat less welcome now than last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>39</td>\n",
       "      <td>29</td>\n",
       "      <td>adult</td>\n",
       "      <td>nan</td>\n",
       "      <td>['Languages, frameworks, and other technologie...</td>\n",
       "      <td>Specific department or team I’d be working on</td>\n",
       "      <td>Opportunities for professional development</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>46721</td>\n",
       "      <td>I am a developer by profession</td>\n",
       "      <td>no</td>\n",
       "      <td>48.0</td>\n",
       "      <td>11</td>\n",
       "      <td>Yearly</td>\n",
       "      <td>130000.0</td>\n",
       "      <td>83057.0</td>\n",
       "      <td>New Zealand</td>\n",
       "      <td>New Zealand dollar</td>\n",
       "      <td>...</td>\n",
       "      <td>ASP.NET</td>\n",
       "      <td>Just as welcome now as I felt last year</td>\n",
       "      <td>40.0</td>\n",
       "      <td>37</td>\n",
       "      <td>14</td>\n",
       "      <td>adult</td>\n",
       "      <td>ManStraight / HeterosexualNo</td>\n",
       "      <td>['Flex time or a flexible schedule', 'Remote w...</td>\n",
       "      <td>Remote work options</td>\n",
       "      <td>Opportunities for professional development</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>5 rows × 66 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "   respondent                      mainbranch hobbyist  user_age age1stcode  \\\n",
       "0       20900  I am a developer by profession      yes       NaN         10   \n",
       "1       28235  I am a developer by profession       no      45.0         10   \n",
       "2       26082  I am a developer by profession      yes      29.0         14   \n",
       "3       19890  I am a developer by profession      yes      61.0         21   \n",
       "5       46721  I am a developer by profession       no      48.0         11   \n",
       "\n",
       "  compfreq comptotal  convertedcomp      country          currencydesc  ...  \\\n",
       "0  Monthly    8000.0        53040.0     Bulgaria         Bulgarian lev  ...   \n",
       "1  Monthly  670000.0       867480.0       Norway       Norwegian krone  ...   \n",
       "2   Yearly   65000.0        65000.0        China  United States dollar  ...   \n",
       "3      nan     11111            NaN       Canada       Canadian dollar  ...   \n",
       "5   Yearly  130000.0        83057.0  New Zealand    New Zealand dollar  ...   \n",
       "\n",
       "                            webframeworkedwith  \\\n",
       "0                                          nan   \n",
       "1                                          nan   \n",
       "2  ASP.NET Core;jQuery;Laravel;React.js;Vue.js   \n",
       "3                                          nan   \n",
       "5                                      ASP.NET   \n",
       "\n",
       "                              welcomechange workweekhrs yearscode  \\\n",
       "0   Just as welcome now as I felt last year        45.0        23   \n",
       "1   Just as welcome now as I felt last year        37.0        35   \n",
       "2     A lot less welcome now than last year        45.0         9   \n",
       "3  Somewhat less welcome now than last year        40.0        39   \n",
       "5   Just as welcome now as I felt last year        40.0        37   \n",
       "\n",
       "  yearscodepro age_group                        gen_col  \\\n",
       "0           15       nan                            nan   \n",
       "1           22     adult                            nan   \n",
       "2            5     adult  ManStraight / HeterosexualYes   \n",
       "3           29     adult                            nan   \n",
       "5           14     adult   ManStraight / HeterosexualNo   \n",
       "\n",
       "                                         job_factors  \\\n",
       "0  ['Industry that I’d be working in', 'Flex time...   \n",
       "1  ['Industry that I’d be working in', 'Flex time...   \n",
       "2  ['Industry that I’d be working in', 'Languages...   \n",
       "3  ['Languages, frameworks, and other technologie...   \n",
       "5  ['Flex time or a flexible schedule', 'Remote w...   \n",
       "\n",
       "                                            job_fac2  \\\n",
       "0                   Flex time or a flexible schedule   \n",
       "1                   Flex time or a flexible schedule   \n",
       "2  Languages, frameworks, and other technologies ...   \n",
       "3      Specific department or team I’d be working on   \n",
       "5                                Remote work options   \n",
       "\n",
       "                                            job_fac3  \n",
       "0  Languages, frameworks, and other technologies ...  \n",
       "1              Office environment or company culture  \n",
       "2              Office environment or company culture  \n",
       "3         Opportunities for professional development  \n",
       "5         Opportunities for professional development  \n",
       "\n",
       "[5 rows x 66 columns]"
      ]
     },
     "execution_count": 190,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.head()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 192,
   "id": "0a0b10bd-2ed7-49ed-b745-fe20dd36796e",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "respondent                                                 28235\n",
       "mainbranch                        I am a developer by profession\n",
       "hobbyist                                                      no\n",
       "user_age                                                    45.0\n",
       "age1stcode                                                    10\n",
       "                                     ...                        \n",
       "age_group                                                  adult\n",
       "gen_col                                                      nan\n",
       "job_factors    ['Industry that I’d be working in', 'Flex time...\n",
       "job_fac2                        Flex time or a flexible schedule\n",
       "job_fac3                   Office environment or company culture\n",
       "Name: 1, Length: 66, dtype: object"
      ]
     },
     "execution_count": 192,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.iloc[1]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 194,
   "id": "250b4238-3041-46bc-804b-8fe867d385ae",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0      yes\n",
       "1       no\n",
       "2      yes\n",
       "3      yes\n",
       "5       no\n",
       "      ... \n",
       "995    yes\n",
       "996    yes\n",
       "997    yes\n",
       "998    yes\n",
       "999    yes\n",
       "Name: hobbyist, Length: 999, dtype: object"
      ]
     },
     "execution_count": 194,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df['hobbyist']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 195,
   "id": "460552c1-4be3-474a-b42d-1b5c6877a468",
   "metadata": {},
   "outputs": [],
   "source": [
    "hob_list = survey_df['hobbyist'] == 'yes'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 196,
   "id": "437b5368-5e5f-49cb-aee8-bcb1bfda7419",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0       True\n",
       "1      False\n",
       "2       True\n",
       "3       True\n",
       "5      False\n",
       "       ...  \n",
       "995     True\n",
       "996     True\n",
       "997     True\n",
       "998     True\n",
       "999     True\n",
       "Name: hobbyist, Length: 999, dtype: bool"
      ]
     },
     "execution_count": 196,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "hob_list"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 198,
   "id": "712acbae-80de-4fd7-8d53-65113e314b51",
   "metadata": {},
   "outputs": [],
   "source": [
    "data_filter = hob_list & age_filter"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 199,
   "id": "c4624040-6961-4d27-9817-182208eecfa5",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0      False\n",
       "1      False\n",
       "2      False\n",
       "3      False\n",
       "5      False\n",
       "       ...  \n",
       "995    False\n",
       "996    False\n",
       "997    False\n",
       "998    False\n",
       "999    False\n",
       "Length: 999, dtype: bool"
      ]
     },
     "execution_count": 199,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "data_filter"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 201,
   "id": "7787a833-3932-43b3-92e2-f2e057b4493f",
   "metadata": {},
   "outputs": [],
   "source": [
    "filter_data = survey_df.loc[data_filter]\n",
    "survey_df.loc[data_filter, 'code_years'] = filter_data['user_age'] - filter_data['age1stcode'].astype(int)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 204,
   "id": "6c8234b8-8e89-4cd0-bd0b-fc04927009c3",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "8      11.0\n",
       "12      9.0\n",
       "20      6.0\n",
       "32     13.0\n",
       "54      6.0\n",
       "       ... \n",
       "951     6.0\n",
       "965     9.0\n",
       "966     6.0\n",
       "977    15.0\n",
       "978     3.0\n",
       "Name: code_years, Length: 152, dtype: float64"
      ]
     },
     "execution_count": 204,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "survey_df.loc[data_filter, 'code_years']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "afa3e113-7f62-42cb-a31f-c50a3544e28f",
   "metadata": {},
   "outputs": [],
   "source": []
  }
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