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Fix fpmax for sparse matrices #1000

Merged
merged 2 commits into from
Dec 3, 2022
Merged

Fix fpmax for sparse matrices #1000

merged 2 commits into from
Dec 3, 2022

Commits on Dec 1, 2022

  1. Fix fpgrowth for sparse matrices 

    While this function technically supports sparse matrices, it calls
`pd.DataFrame.values` in order to get the number of rows in the
DataFrame. Unfortunately, `.values` forces the entire DataFrame to be
converted into a non-sparse 2D numpy array, which obliviates the whole
purpose behind using a sparse matrix in the first place. It's a simple
fix though.
    @tkellogg
    tkellogg committed Dec 1, 2022
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Commits on Dec 3, 2022

  1. add changelog entry

    Sebastian Raschka committed Dec 3, 2022
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