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BUG: SeriesGroupBy.nunique raises when grouping with an empty categrorical #50081

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Merged
merged 2 commits into from
Dec 8, 2022
Merged

BUG: SeriesGroupBy.nunique raises when grouping with an empty categrorical #50081

merged 2 commits into from
Dec 8, 2022

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rhshadrach
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@rhshadrach rhshadrach added Bug Groupby Categorical Categorical Data Type Reduction Operations sum, mean, min, max, etc. labels Dec 6, 2022
@rhshadrach rhshadrach added this to the 2.0 milestone Dec 6, 2022
@mroeschke mroeschke merged commit 4eb4729 into pandas-dev:main Dec 8, 2022
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Thanks @rhshadrach

@rhshadrach rhshadrach deleted the nunique_cat_bug branch December 8, 2022 22:04
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@mroeschke mroeschke mroeschke approved these changes

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SeriesGroupBy.nunique raises IndexError for empty Series with categorical variables
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@rhshadrach @mroeschke