IV
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IV
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df_features.loc[indices_learn, :]df_features[df_features.index.isin(indices_learn)] возникла другая ошибка:IndexError: boolean index did not match indexed array along dimension 0; dimension is 1906 but corresponding boolean dimension is 140027D
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SF
SF
A
IV
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DR
SF
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M

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IV

M
M
IΣ
SF
SF