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BUG: groupby with CategoricalIndex doesn't include unobserved categories #49373

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Merged
merged 13 commits into from
Nov 7, 2022
Merged

BUG: groupby with CategoricalIndex doesn't include unobserved categories #49373

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86cc43d
BUG: groupby with CategoricalIndex doesn't include unobserved categories
rhshadrach Oct 28, 2022
eb40033
Test fixup
rhshadrach Oct 28, 2022
57b8e07
Merge branch 'main' of https://github.com/pandas-dev/pandas into grou…
rhshadrach Oct 28, 2022
8273de1
cleanup
rhshadrach Oct 28, 2022
6f779a1
Remove TODO
rhshadrach Oct 31, 2022
513c322
Merge branch 'main' of https://github.com/pandas-dev/pandas into grou…
rhshadrach Oct 31, 2022
81fbdce
Merge branch 'main' into groupby_cat_unobserved
rhshadrach Nov 1, 2022
30c3253
Add GH reference
rhshadrach Nov 2, 2022
e65dd2e
Add GH reference
rhshadrach Nov 2, 2022
efc6303
Merge branch 'main' of https://github.com/pandas-dev/pandas into grou…
rhshadrach Nov 2, 2022
35e22e4
Merge branch 'groupby_cat_unobserved' of https://github.com/rhshadrac…
rhshadrach Nov 2, 2022
27f39ed
Merge branch 'main' into groupby_cat_unobserved
rhshadrach Nov 5, 2022
df0ce75
Merge branch 'main' into groupby_cat_unobserved
rhshadrach Nov 7, 2022
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Remove TODO
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@rhshadrach
rhshadrach committed Oct 31, 2022
commit 6f779a1d9cee4888e492d7960afa786366262321
1 change: 0 additions & 1 deletion pandas/core/groupby/grouper.py
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Expand Up @@ -496,7 +496,6 @@ def __init__(
# In extant tests, the new self.grouping_vector matches
# `index.get_level_values(ilevel)` whenever
# mapper is None and isinstance(index, MultiIndex)
# TODO: Can you have two levels with the same name?
if isinstance(index, MultiIndex):
index_level = index.get_level_values(ilevel)
else:
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