df = pandas.DataFrame(numpy.random.randn(2, 3), columns=['a', 'b', 'c'])
#增加一列d
df['d'] = pandas.Series(numpy.random.randn(len(df['a'])), index=df.index)
#增加一行2
df.ix[2] = pandas.Series(numpy.random.rand(4),index=df.columns)
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df = pandas.DataFrame(numpy.random.randn(2, 3), columns=['a', 'b', 'c'])
#增加一列d
df['d'] = pandas.Series(numpy.random.randn(len(df['a'])), index=df.index)
#增加一行2
df.ix[2] = pandas.Series(numpy.random.rand(4),index=df.columns)
欢迎分享,转载请注明来源:内存溢出
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