BUG: DataFrameGroupBy agg with multi-column object block #41111
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jbrockmendel
added
Bug
Groupby
Nuisance Columns
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is this a user facing bug ? can you add a whatsnew |
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whatsnew added + green |
4 tasks
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gentle ping; will need to rebase #41147 after this |
yeshsurya
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May 6, 2021
JulianWgs
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Jul 3, 2021
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This is analogous to what we did recently-ish with DataFrame._reduce. When we see an object block, split it and operate column-wise. Side-bonus: this makes the BM behavior match the AM behavior.