create pd 11

Author: Mofan Zhou

numpy&pandas/11_pandas_intro.py

@@ -0,0 +1,30 @@
+# View more python learning tutorial on my Youtube and Youku channel!!!
+
+# Youtube video tutorial: https://www.youtube.com/channel/UCdyjiB5H8Pu7aDTNVXTTpcg
+# Youku video tutorial: http://i.youku.com/pythontutorial
+
+
+import pandas as pd
+import numpy as np
+
+s = pd.Series([1,3,6,np.nan,4,1]) # similar with 1D numpy
+print(s)
+dates = pd.date_range('20160101', periods=6)
+df = pd.DataFrame(np.random.randn(6,4), index=dates, columns=['A','B','C','D'])
+print(df['B'])
+df2 = pd.DataFrame({'A' : 1.,
+                       'B' : pd.Timestamp('20130102'),
+                        'C' : pd.Series(1,index=list(range(4)),dtype='float32'),
+                        'D' : np.array([3] * 4,dtype='int32'),
+                        'E' : pd.Categorical(["test","train","test","train"]),
+                        'F' : 'foo'})
+print(df2)
+print(df2.dtypes)
+
+print(df.index)
+print(df.columns)
+print(df.values)
+print(df.describe())
+print(df.T)
+print(df.sort_index(axis=1, ascending=False))
+print(df.sort_values(by='B'))