Pandas - 空值选择
Pandas 选择NAN的两种办法初始化数据import pandas as pdimport numpy as npdf = pd.DataFrame(np.random.randn(10,6))df.iloc[1:3,1] = np.nandf.iloc[5,3] = np.nandf.iloc[7:9,5] = np.nandf方法一:# df.T.isnull().any()#选择
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2017-08-01 16:14:46 ·
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