ENH preserve dtype and type when providing a dataframe with sparse dtype #1054
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glemaitre
changed the title
_transform_one fails on sparse DataFrame
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The failures are unrelated. |
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Reference Issue
Fixes #1053
What does this implement/fix? Explain your changes.
Sparse DataFrames resulting in sparse matrices are correctly reassembled as sparse DataFrames using
DataFrame.sparse.from_spmatrix.Any other comments?