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#49275 ·
noatamir
opened
on Oct 24, 2022
9
FEEDBACK: PyArrow as a required dependency and PyArrow backed strings
#54466 ·
phofl
opened
on Aug 9, 2023
165
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Open
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BUG: groupby(group_keys=False).apply(func=transform_function) with duplicate index does not preserve original dataframe order
Apply
Apply, Aggregate, Transform, Map
Apply, Aggregate, Transform, Map
Bug
Groupby
Status: Open.
#57906
In pandas-dev/pandas;
·
sfc-gh-mvashishtha
opened
on Mar 18, 2024
BUG: GH45912 breaks important functionality in rolling apply
Apply
Apply, Aggregate, Transform, Map
Apply, Aggregate, Transform, Map
Docs
Window
rolling, ewma, expanding
rolling, ewma, expanding
Status: Open.
#47494
In pandas-dev/pandas;
·
DRudel
opened
on Jun 24, 2022
ENH: <code>.pipe()</code> on <code>DataFrameGroupBy</code>
Apply
Apply, Aggregate, Transform, Map
Apply, Aggregate, Transform, Map
Enhancement
Needs Discussion
Requires discussion from core team before further action
Requires discussion from core team before further action
Status: Open.
#46655
In pandas-dev/pandas;
·
kwhkim
opened
on Apr 6, 2022
BUG: Resampler agg cannot apply on list of functions
Apply
Apply, Aggregate, Transform, Map
Apply, Aggregate, Transform, Map
Bug
Resample
resample method
resample method
Status: Open.
#44400
In pandas-dev/pandas;
·
Mengda-Li
opened
on Nov 11, 2021
BUG: Named aggregations do not work together with unnamed ones
Apply
Apply, Aggregate, Transform, Map
Apply, Aggregate, Transform, Map
Enhancement
Groupby
Status: Open.
#43838
In pandas-dev/pandas;
·
haiyangdeperci
opened
on Oct 1, 2021
BUG: agg in multindex dataframe no working when passing dictionary of strings
Apply
Apply, Aggregate, Transform, Map
Apply, Aggregate, Transform, Map
Bug
Status: Open.
#43748
In pandas-dev/pandas;
·
bacarbland
opened
on Sep 26, 2021
BUG: <code>DataFrame.apply</code> labelling index and columns asymmetrically if axis=0/1.
Apply
Apply, Aggregate, Transform, Map
Apply, Aggregate, Transform, Map
Bug
Status: Open.
#42005
In pandas-dev/pandas;
·
attack68
opened
on Jun 14, 2021
ENH: groupby(...).agg should only accept reducers
API Design
Apply
Apply, Aggregate, Transform, Map
Apply, Aggregate, Transform, Map
Enhancement
Groupby
Needs Discussion
Requires discussion from core team before further action
Requires discussion from core team before further action
Status: Open.
#35725
In pandas-dev/pandas;
·
rhshadrach
opened
on Aug 14, 2020
.transform inconsistent / error-prone behavior for list
Apply
Apply, Aggregate, Transform, Map
Apply, Aggregate, Transform, Map
Bug
Groupby
Nested Data
Data where the values are collections (lists, sets, dicts, objects, etc.).
Data where the values are collections (lists, sets, dicts, objects, etc.).
Status: Open.
#28246
In pandas-dev/pandas;
·
mglowacki100
opened
on Sep 1, 2019
TypeError: unhashable type: 'dict' when using apply/transform?
Apply
Apply, Aggregate, Transform, Map
Apply, Aggregate, Transform, Map
Enhancement
Error Reporting
Incorrect or improved errors from pandas
Incorrect or improved errors from pandas
Groupby
Status: Open.
#17309
In pandas-dev/pandas;
·
randomgambit
opened
on Aug 22, 2017
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