Replacing blank values (white space) with NaN in pandas

df0=df0.applymap(lambdax:np.NaNifstr(x).isspace()elsex)print("各列缺失行数为")print(df0.isnull().sum())print("各列未缺失行数为")print(df0.notnull().sum())

参考链接

/questions/13445241/replacing-blank-values-white-space-with-nan-in-pandas

/th_num/article/details/80433373

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