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Pull requests list

BUG: groupby(..., dropna=False) drops null values with categorical grouper Categorical Categorical Data Type Groupby Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#48981 by rhshadrach was closed Oct 26, 2022 • Draft
5 tasks
BUG: GH2763 fixed downcasting of groupby results on SeriesGroupBy Bug Dtype Conversions Unexpected or buggy dtype conversions Groupby
#3152 by jreback was merged Mar 24, 2013 Loading… 0.11
1
BUG: Issue with groupby agg with a single function and a a mixed-type frame (GH6337) Bug Error Reporting Incorrect or improved errors from pandas Groupby
#6338 by jreback was merged Feb 13, 2014 Loading… 0.14.0
1
BUG: TimeGrouper sortedness / API fix (GH4161,GH3881) Bug Groupby
#6350 by jreback was merged Feb 14, 2014 Loading… 0.14.0
2
BUG/TST: fix tests for groupby nth on Series (GH7559) Bug Groupby
#7580 by jreback was merged Jun 30, 2014 Loading… 0.14.1
1
BUG: doc example in groupby.rst (GH7559 / GH7628) Bug Docs Groupby
#7631 by jreback was merged Jul 1, 2014 Loading… 0.14.1
1
PERF: Series.transform speedups (GH6496) Groupby Performance Memory or execution speed performance
#7421 by jreback was merged Jun 11, 2014 Loading… 0.14.1
1
PERF: performance gains in DataFrame groupby.transform for ufuncs (GH7383) Groupby Performance Memory or execution speed performance
#7463 by jreback was merged Jun 16, 2014 Loading… 0.14.1
1
TST: tests for groupby not using grouper column, solved in GH7000, (GH5614) Bug Groupby Testing pandas testing functions or related to the test suite
#7019 by jreback was merged May 1, 2014 Loading… 0.14.0
1
BUG: error in Float64Index with contains and non-float (GH7025) Bug Dtype Conversions Unexpected or buggy dtype conversions Groupby
#7026 by jreback was merged May 2, 2014 Loading… 0.14.0
1
REGR: Regression in groupby.nth() for out-of-bounds indexers (GH6621) Bug Groupby
#7094 by jreback was merged May 10, 2014 Loading… 0.14.0
1
BUG: Bug in downcasting inference with empty arrays (GH6733) Bug Dtype Conversions Unexpected or buggy dtype conversions Groupby
#6737 by jreback was merged Mar 29, 2014 Loading… 0.14.0
1
PERF: vbench for mixed groupby with datetime (GH7555) Dtype Conversions Unexpected or buggy dtype conversions Groupby Performance Memory or execution speed performance
#7560 by jreback was merged Jun 24, 2014 Loading… 0.14.1
1
PERF: perf improvements for Series.transform (revised) (GH6496) Groupby Performance Memory or execution speed performance
#7975 by jreback was merged Aug 10, 2014 Loading… 0.15.0
BUG: Bug in DataFrameGroupby.transform when transforming with a passed non-sorted key (GH8046) Bug Groupby
#8049 by jreback was merged Aug 18, 2014 Loading… 0.15.0
1
BUG: regression in groupby with a pass thru multiindex on axis=1 (GH7997) Categorical Categorical Data Type Groupby Regression Functionality that used to work in a prior pandas version
#8417 by jreback was merged Sep 30, 2014 Loading… 0.15.0
1
BUG: Bug in groupby .apply with a non-affecting mutation in the function (GH8467) Bug Groupby
#8484 by jreback was merged Oct 6, 2014 Loading… 0.15.0
1
BUG: Bug in using a pd.Grouper(key=...) with no level/axis or level only (GH8795, GH8866) Bug Groupby
#9008 by jreback was merged Dec 5, 2014 Loading… 0.15.2
2
BUG: Bug in using grouper functions that need passed thru arguments (GH9221) Bug Groupby
#9222 by jreback was merged Jan 10, 2015 Loading… 0.16.0
1
BUG: Groupby.transform related to BinGrouper and GH8046 (GH8430) Bug Groupby
#8434 by jreback was merged Oct 1, 2014 Loading… 0.15.0
1
BUG: incorrect broadcasting that could casuse dtype coercion in a groupby-transform Bug Groupby
#14466 by jreback was closed Oct 25, 2016 Loading… 0.19.1
1
BUG: no need to validate monotonicity when groupby-rolling Bug Groupby Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#15175 by jreback was closed Jan 20, 2017 Loading… 0.20.0
1
TST/CLN: reorg groupby tests Groupby Testing pandas testing functions or related to the test suite
#15336 by jreback was merged Feb 8, 2017 Loading… 0.20.0
PERF: DataFrame.groupby.nunique Groupby Performance Memory or execution speed performance
#15201 by jreback was closed Jan 24, 2017 Loading… 0.20.0
1
BUG: Bug in groupby.transform(..) when axis=1 is specified with a non_monotonic indexer Bug Groupby
#12713 by jreback was closed Mar 25, 2016 Loading… 0.18.1
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