REFACTOR: change the examples folder

Author: wegamekinglc

PyFin/examples/__init__.py

@@ -3,16 +3,38 @@
 ## 数据准备
 
 ```python
-In [1]: from PyFin.examples.datas import sample_data
-In [2]: sample_data
+In[1]:
+from examples.datas import sample_data
+
+In[2]: sample_data
 Out[2]:
-            code  open  close
-2016-01-01     1   2.0    1.7
-2016-01-01     2   1.0    1.6
-2016-01-02     1   1.5    0.9
-2016-01-02     2   3.0    3.8
-2016-01-03     1   2.4    1.6
-2016-01-03     2   3.5    2.1
+code
+open
+close
+2016 - 01 - 01
+1
+2.0
+1.7
+2016 - 01 - 01
+2
+1.0
+1.6
+2016 - 01 - 02
+1
+1.5
+0.9
+2016 - 01 - 02
+2
+3.0
+3.8
+2016 - 01 - 03
+1
+2.4
+1.6
+2016 - 01 - 03
+2
+3.5
+2.1
 ```
 
 ## 构造指标

doc/analysis/pandas.md

@@ -1,31 +1,31 @@
-# -*- coding: utf-8 -*-
-u"""
-Created on 2016-12-25
-
-@author: cheng.li
-"""
-
-import datetime as dt
-import pandas as pd
-
-sample_data = pd.DataFrame(
-    data={'code': [1, 2, 1, 2, 1, 2],
-          'open': [2.0, 1.0, 1.5, 3.0, 2.4, 3.5],
-          'close': [1.7, 1.6, 0.9, 3.8, 1.6, 2.1]},
-    index=[dt.datetime(2016, 1, 1),
-           dt.datetime(2016, 1, 1),
-           dt.datetime(2016, 1, 2),
-           dt.datetime(2016, 1, 2),
-           dt.datetime(2016, 1, 3),
-           dt.datetime(2016, 1, 3)]
-)
-
-sample_data = sample_data[['code', 'open', 'close']]
-
-
-if __name__ == '__main__':
-
-    from PyFin.api import MA
-    ts = MA(2, 'close')
-    res = ts.transform(sample_data, name='ma_2_no_code')
+# -*- coding: utf-8 -*-
+u"""
+Created on 2016-12-25
+
+@author: cheng.li
+"""
+
+import datetime as dt
+import pandas as pd
+
+sample_data = pd.DataFrame(
+    data={'code': [1, 2, 1, 2, 1, 2],
+          'open': [2.0, 1.0, 1.5, 3.0, 2.4, 3.5],
+          'close': [1.7, 1.6, 0.9, 3.8, 1.6, 2.1]},
+    index=[dt.datetime(2016, 1, 1),
+           dt.datetime(2016, 1, 1),
+           dt.datetime(2016, 1, 2),
+           dt.datetime(2016, 1, 2),
+           dt.datetime(2016, 1, 3),
+           dt.datetime(2016, 1, 3)]
+)
+
+sample_data = sample_data[['code', 'open', 'close']]
+
+
+if __name__ == '__main__':
+
+    from PyFin.api import MA
+    ts = MA(2, 'close')
+    res = ts.transform(sample_data, name='ma_2_no_code')
     print(res)