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Functions allowed in DataFrameGroupby.transform are not all tested #27905

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charlesdong1991 opened this issue Aug 13, 2019 · 5 comments
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good first issue Groupby Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Testing pandas testing functions or related to the test suite

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@charlesdong1991
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charlesdong1991 commented Aug 13, 2019

e.g. fillna, tshiftand corrwith are all allowed in group.transform(), but looking at pandas/tests/groupby/test_transform.py, they are not tested. There are more, and I will add to here and make a PR to tests these cases.

@jreback jreback added Groupby Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Testing pandas testing functions or related to the test suite labels Sep 8, 2019
@jreback jreback added this to the 1.0 milestone Oct 5, 2019
@TomAugspurger
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Looks like #27974 was closed as stale. Marking as a good first issue, if anyone wants to pick it up based on that PR.

@TomAugspurger TomAugspurger modified the milestones: 1.0, Contributions Welcome Dec 30, 2019
@lfiedler
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lfiedler commented Jan 8, 2020

Hi, I would like to work on this.

@echozzy629
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Hi, I would like to work on this.

@simonjayhawkins
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@echozzy629 Thanks for the interest. #32069 has been submitted to address this issue.

@simonjayhawkins
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simonjayhawkins commented Mar 3, 2020

superseded by #32293 , #31269 , #27472 and #32344, see #32069 (comment)

@simonjayhawkins simonjayhawkins modified the milestones: Contributions Welcome, No action Mar 3, 2020
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Labels
good first issue Groupby Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Testing pandas testing functions or related to the test suite
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