51 lines
753 B
Python
Executable File
51 lines
753 B
Python
Executable File
import pandas as pd
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import numpy as np
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#import matplotlib.pyplot as plt
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s = pd.Series([1,3,5,np.nan,6,8])
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print s
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dates = pd.date_range('20130101', periods=6)
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print dates
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df = pd.DataFrame(np.random.randn(6,4), index=dates, columns=list('ABCD'))
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print df
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df2 = pd.DataFrame({ 'A' : 1.,
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'B' : pd.Timestamp('20130102'),
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'C' : pd.Series(1,index=list(range(4)),dtype='float32'),
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'D' : np.array([3] * 4,dtype='int32'),
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'E' : pd.Categorical(["test","train","test","train"]),
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'F' : 'foo' })
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print df2
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print df2.dtypes
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print df.head()
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print df.tail(3)
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print df.values
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print df.describe()
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print df.T
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print df.sort_index(axis=1, ascending=False)
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#print df.sort_values(by='B')
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print df['A']
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print df[0:3]
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print df.mean()
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