ApplyToFrame supports Sparse output #1552
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| raise ValueError( | ||
| "When a transformer outputs a sparse array or sparse matrix," | ||
| " all columns of the input dataframe must beselected. Got" | ||
| f" cols={self.cols!r} instead of skrub.selectors.all()." |
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Hi Vincent, I have a naive question/suggestion about this raise, would it be a good idea to put a brief observation in the docstring of cols arg to use all columns for sparse objects (despite that it is the default behaviour) ?
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Fixes #1513