DataFrameを作る DataFrameの作成方法も幾つかあるので、その整理。 まずは、DataFrameをnumpyで行列を作り、インデックスとラベルを貼り付けるパターン。 インデックスの作成。 #Create a index dates = pd.date_range("20130101", periods=6) dates <class 'pandas.tseries.index.DatetimeIndex'> [2013-01-01, ..., 2013-01-06] Length: 6, Freq: D, Timezone: None #Create a DatFrame df = pd.DataFrame(np.random.randn(6,4),index = dates, columns = list("ABCD")) df A B C D 2013-01-01 0.7
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