Hello, I would like to use the BaggingClassifier whose base estimator is a pipeline with multiple transformations including a DataFrameMapper from sklearn_pandas. I am getting an error during the fitting the DataFrameMapper as the first step of the BaggingClassifier is to convert the DataFrame to an array (see in BaseBagging._fit method). Similar problem happen using directly sklearn.Pipeline instead of the DataFrameMapper. in both cases, a DataFrame is expected as input, but, instead, an array is provided to the Pipeline.
Is there anyway I can overcome this problem? Many thanks, Roxana
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