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Pull requests: pandas-dev/pandas
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BUG: GH15426 timezone lost in groupby-agg with cython functions Groupby Timezones Timezone data dtype
Do not cast .transform() output back to input dtype (closes #10972) Bug Dtype Conversions Unexpected or buggy dtype conversions Groupby
Remove properties from groupby whitelists Clean Groupby
#17600 by jbrockmendel was closed Sep 21, 2017 Loading… updated Sep 22, 2017
1 of 4 tasks
Fix groupby().count() for datetime columns Bug Dtype Conversions Unexpected or buggy dtype conversions Groupby
Bug in groupby.get_group on categoricalindex Bug Groupby Indexing Related to indexing on series/frames, not to indexes themselves
repr string for pd.Grouper Enhancement Groupby Output-Formatting __repr__ of pandas objects, to_string
#17727 by topper-123 was closed Nov 9, 2017 Loading… updated Dec 11, 2017
2 tasks
BUG: fixed issue with mixed type groupby aggregate Bug Dtype Conversions Unexpected or buggy dtype conversions Groupby
#17003 by nreeve17 was closed Dec 18, 2017 Loading… updated Dec 18, 2017
4 tasks done
PERF: Cythonize Groupby.cummin/cummax (#15048) Groupby Performance Memory or execution speed performance
DOC: update the pandas.core.groupby.GroupBy.max docstring Docs Groupby
#20073 by shivam6294 was closed Nov 1, 2018 Loading… updated Nov 1, 2018
5 tasks done
apply_frame_axis0 applies function to first group twice Groupby Visualization plotting
#21943 by javadnoorb was closed Nov 4, 2018 Loading… updated Nov 4, 2018
4 tasks done
DOC: Added note about groupby excluding Decimal columns by default Docs Dtype Conversions Unexpected or buggy dtype conversions Groupby
BUG: ValueError in Py3 applying stats over column level with skipna=False (#19720) Groupby
#22010 by kdebrab was closed Nov 23, 2018 Loading… updated Nov 23, 2018
4 tasks done
ERR: Consistent errors for non-numeric ranking. (#19560) Error Reporting Incorrect or improved errors from pandas Groupby
#20670 by mapehe was closed Nov 23, 2018 Loading… updated Nov 23, 2018
3 of 4 tasks
ENH: option for groupby.hist to match bins Groupby Visualization plotting
#22228 by javadnoorb was closed Nov 23, 2018 Loading… updated Nov 23, 2018
3 of 4 tasks
ENH: pivot/groupby index with nan (GH3729) Bug Enhancement Groupby Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#21669 by andrewdalecramer was closed Nov 23, 2018 Loading… updated Nov 23, 2018
4 tasks done
BUG: do not crash on a callable grouper returning tuples Groupby MultiIndex Regression Functionality that used to work in a prior pandas version
#22279 by toobaz was closed Dec 14, 2018 Loading… updated Dec 14, 2018
4 tasks done
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