pca.py 文件源码

python
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项目:prince 作者: MaxHalford 项目源码 文件源码
def _filter(self, dataframe, supplementary_row_names, supplementary_column_names):

        # Extract the categorical columns
        self.categorical_columns = dataframe.select_dtypes(exclude=[np.number])

        # Extract the supplementary rows
        self.supplementary_rows = dataframe.loc[supplementary_row_names].copy()
        self.supplementary_rows.drop(self.categorical_columns.columns, axis='columns', inplace=True)

        # Extract the supplementary columns
        self.supplementary_columns = dataframe[supplementary_column_names].copy()
        self.supplementary_columns.drop(supplementary_row_names, axis='rows', inplace=True)

        # Remove the categorical column and the supplementary columns and rows from the dataframe
        dataframe.drop(supplementary_row_names, axis='rows', inplace=True)
        dataframe.drop(supplementary_column_names, axis='columns', inplace=True)
        dataframe.drop(self.categorical_columns.columns, axis='columns', inplace=True)
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