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@charlesdong1991 charlesdong1991 commented Aug 6, 2019

This is xref #27700 (comment)

@charlesdong1991 charlesdong1991 changed the title Add tests for groupby categorical values with axis=1 TST: Add tests for groupby categorical values with axis=1 Aug 6, 2019
@gfyoung gfyoung added Testing pandas testing functions or related to the test suite Categorical Categorical Data Type labels Aug 6, 2019
def test_groupby_categorical_axis_1(code):
# GH 13420
df = DataFrame({"a": [1, 2, 3, 4], "b": [-1, -2, -3, -4], "c": [5, 6, 7, 8]})
grp = pd.Categorical.from_codes(code, categories=list("abc"))
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Can you call this cat instead of grp? The latter is typically the result of an actual groupby

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ok, changed! @WillAyd and thanks for taking a look!

@WillAyd WillAyd added this to the 1.0 milestone Aug 7, 2019
@WillAyd WillAyd added the Groupby label Aug 7, 2019
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jreback commented Aug 7, 2019

lgtm. @WillAyd

@WillAyd WillAyd merged commit 3bdac3e into pandas-dev:master Aug 7, 2019
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WillAyd commented Aug 7, 2019

Thanks @charlesdong1991 !

quintusdias pushed a commit to quintusdias/pandas_dev that referenced this pull request Aug 16, 2019
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DataFrame.groupby(grp, axis=1) with categorical grp breaks

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