Fixed group_by mean with missing values and multiple partitions

Open TomAugspurger opened this issue 7 months ago • 1 comments

This fixes the group_by(...).mean() with the experimental executor when there are missing values. We were using the length of the column, rather than the number of non-NA elements.

Closes https://github.com/rapidsai/cudf/issues/19151

Jun 13 '25 21:06 TomAugspurger

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Jun 13 '25 21:06 copy-pr-bot[bot]

/merge

Jun 17 '25 14:06 TomAugspurger