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Merge branch 'main' of https://github.com/Sinrez/PythonProjects into main
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‎1_4_3.ipynb

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{
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"metadata": {
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"colab": {
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"provenance": [],
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"authorship_tag": "ABX9TyNk6XSvi0hTsD/Vl2RRpcwn",
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"id": "view-in-github",
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"<a href=\"https://colab.research.google.com/github/Sinrez/PythonProjects/blob/main/1_4_3.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
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"metadata": {
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"id": "rAgWn3WqsH6J"
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},
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"outputs": [],
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"source": [
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"import pandas as pd\n",
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"import numpy as np"
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]
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},
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{
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"cell_type": "code",
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"source": [
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"df_all = pd.read_csv(\"daily_weather_data.csv\").set_index('city')\n",
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"df_all.head()"
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],
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{
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" date country Latitude Longitude tavg tmin tmax wdir \\\n",
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"city \n",
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"Sukhumi 21-07-2018 Abkhazia 43.001525 41.023415 23.4 20.9 25.5 329.0 \n",
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"Sukhumi 22-07-2018 Abkhazia 43.001525 41.023415 23.5 21.0 25.7 337.0 \n",
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"Sukhumi 23-07-2018 Abkhazia 43.001525 41.023415 23.5 21.1 25.5 41.0 \n",
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"Sukhumi 24-07-2018 Abkhazia 43.001525 41.023415 24.3 20.8 27.1 10.0 \n",
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"Sukhumi 25-07-2018 Abkhazia 43.001525 41.023415 26.5 22.7 30.0 9.0 \n",
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"\n",
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" wspd pres \n",
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"city \n",
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"Sukhumi 9.3 1009.6 \n",
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"Sukhumi 9.4 1010.0 \n",
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"Sukhumi 8.2 1007.7 \n",
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"Sukhumi 9.3 1004.4 \n",
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"Sukhumi 9.7 1002.0 "
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" const docLinkHtml = 'Like what you see? Visit the ' +\n",
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" '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
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{
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"cell_type": "code",
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"source": [
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"# Найдите минимальное значение колонки'tmin' в Helsinki за 2020 год.\n",
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"hell = df_all.loc['Helsinki'].astype({'date': np.datetime64})\n",
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"hell_2020 = hell[hell['date'].dt.year == 2020]\n",
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"\n",
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"# Найдите минимальное значение в столбце 'tmin'\n",
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"min_tmin = hell_2020['tmin'].min()\n",
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"min_tmin"
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],
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"metadata": {
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"execution_count": 23,
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"outputs": [
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{
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"output_type": "stream",
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"name": "stderr",
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"text": [
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"<ipython-input-23-21e4b10811c1>:2: UserWarning: Parsing dates in DD/MM/YYYY format when dayfirst=False (the default) was specified. This may lead to inconsistently parsed dates! Specify a format to ensure consistent parsing.\n",
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" hell = df_all.loc['Helsinki'].astype({'date': np.datetime64})\n"
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]
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},
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{
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"-8.6"
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},
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"metadata": {},
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"execution_count": 23
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