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pandas-dev / pandas Public

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2.1

2.1

Closed

Overdue by 1 year(s)

•

Due by August 20, 2023

Closed Dec 27, 2023

100% complete

on-merge: backport to 2.1.x

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0 issues of 1340 selected

Open
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(1,340)

groupby.nth with dropna is buggy

Filterse.g. head, tail, nthe.g. head, tail, nth

Needs TestsUnit test(s) needed to prevent regressionsUnit test(s) needed to prevent regressions

Status: Closed (completed).

#11038 In pandas-dev/pandas;

· by behzadnouri was closed

on Jun 5, 2023

BUG / ENH: Implement groupby_helper funcs for int

API - ConsistencyInternal Consistency of API/BehaviorInternal Consistency of API/Behavior

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

good first issue

ReshapingConcat, Merge/Join, Stack/Unstack, ExplodeConcat, Merge/Join, Stack/Unstack, Explode

Status: Closed (completed).

#16676 In pandas-dev/pandas;

· by gfyoung was closed

on Aug 2, 2023

Groupby on single key should be accessible by tuple of length 1

DeprecateFunctionality to remove in pandasFunctionality to remove in pandas

Status: Closed (completed).

#25971 In pandas-dev/pandas;

· by KeithWM was closed

on Aug 21, 2023

DEPR: Deprecate downcast keyword for fillna

DeprecateFunctionality to remove in pandasFunctionality to remove in pandas

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

Missing-datanp.nan, pd.NaT, pd.NA, dropna, isnull, interpolatenp.nan, pd.NaT, pd.NA, dropna, isnull, interpolate

Status: Closed (completed).

#40988 In pandas-dev/pandas;

· by phofl was closed

on Jun 29, 2023

pd.core.groupby.groupby.DataFrameGroupBy.nth yielding false values with Interval MultiIndex Interval

Filterse.g. head, tail, nthe.g. head, tail, nth

good first issue

Needs TestsUnit test(s) needed to prevent regressionsUnit test(s) needed to prevent regressions

Status: Closed (completed).

#24205 In pandas-dev/pandas;

· by JoElfner was closed

on Apr 29, 2023

BUG: series created from pyarrow array with date32 type in 1.5rc0 can be created but not displayed

Arrowpyarrow functionalitypyarrow functionality

Needs TestsUnit test(s) needed to prevent regressionsUnit test(s) needed to prevent regressions

Output-Formatting__repr__ of pandas objects, to_string__repr__ of pandas objects, to_string

Status: Closed (completed).

#48238 In pandas-dev/pandas;

· by a-reich was closed

on Apr 21, 2023

BUG: groupby.rolling.corr incorrect/fails when grouping columns contain tuples

Needs TestsUnit test(s) needed to prevent regressionsUnit test(s) needed to prevent regressions

Windowrolling, ewma, expandingrolling, ewma, expanding

Status: Closed (completed).

#44078 In pandas-dev/pandas;

· by rhshadrach was closed

on Aug 11, 2023

ENH: pd.Series.shift and .diff to accept a collection of numbers

AlgosNon-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diffNon-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff

Transformationse.g. cumsum, diff, ranke.g. cumsum, diff, rank

Status: Closed (completed).

#44424 In pandas-dev/pandas;

· by jona-sassenhagen was closed

on Jul 28, 2023

BUG: inconsistent <code>DataFrame.agg</code> behavoir when passing as kwargs <code>numeric_only=True</code>

Closing CandidateMay be closeable, needs more eyeballsMay be closeable, needs more eyeballs

RegressionFunctionality that used to work in a prior pandas versionFunctionality that used to work in a prior pandas version

WarningsWarnings that appear or should be added to pandasWarnings that appear or should be added to pandas

Status: Closed (completed).

#49352 In pandas-dev/pandas;

· by arnaudlegout was closed

on Mar 27, 2023

API: Add pandas.api.typing

Needs DiscussionRequires discussion from core team before further actionRequires discussion from core team before further action

Status: Closed (completed).

#48577 In pandas-dev/pandas;

· by rhshadrach was closed

on Apr 17, 2023

BUG: <code>.loc</code>/<code>.iloc</code>/<code>.at</code>/<code>iat</code> setitem coerces a pd.Series to np.ndarray with object dtype

IndexingRelated to indexing on series/frames, not to indexes themselvesRelated to indexing on series/frames, not to indexes themselves

Nested DataData where the values are collections (lists, sets, dicts, objects, etc.).Data where the values are collections (lists, sets, dicts, objects, etc.).

RegressionFunctionality that used to work in a prior pandas versionFunctionality that used to work in a prior pandas version

Status: Closed (completed).

#48933 In pandas-dev/pandas;

· by rosagold was closed

on Aug 25, 2023

BUG: Groupby mean differs depending on where <code>np.inf</code> value was introduced

Missing-datanp.nan, pd.NaT, pd.NA, dropna, isnull, interpolatenp.nan, pd.NaT, pd.NA, dropna, isnull, interpolate

Status: Closed (completed).

#50367 In pandas-dev/pandas;

· by ncclementi was closed

on May 23, 2023

API: quantile with bool/boolean dtypes

DeprecateFunctionality to remove in pandasFunctionality to remove in pandas

quantilequantile methodquantile method

Status: Closed (completed).

#51424 In pandas-dev/pandas;

· by jbrockmendel was closed

on Jul 5, 2023

REF: de-duplicate iterate_slices

InternalsRelated to non-user accessible pandas implementationRelated to non-user accessible pandas implementation

Status: Closed (completed).

#51186 In pandas-dev/pandas;

· by jbrockmendel was closed

on Feb 24, 2023

DEPR: axis argument in groupby ops

DeprecateFunctionality to remove in pandasFunctionality to remove in pandas

Status: Closed (completed).

#50405 In pandas-dev/pandas;

· by rhshadrach was closed

on Mar 17, 2023

BUG: GroupBy.idxmin/idxmax returns wrong dtype on empty Series/DataFrame

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

Reduction Operationssum, mean, min, max, etc.sum, mean, min, max, etc.

Status: Closed (completed).

#50993 In pandas-dev/pandas;

· by plutonium-94 was closed

on Feb 25, 2023

DEPR: GroupBy.cumsum etc with axis=1

DeprecateFunctionality to remove in pandasFunctionality to remove in pandas

Status: Closed (completed).

#51046 In pandas-dev/pandas;

· by jbrockmendel was closed

on Mar 17, 2023

BUG: groupby.std with no numeric columns and numeric_only=True raises

good first issue

Needs TestsUnit test(s) needed to prevent regressionsUnit test(s) needed to prevent regressions

Nuisance ColumnsIdentifying/Dropping nuisance columns in reductions, groupby.add, DataFrame.applyIdentifying/Dropping nuisance columns in reductions, groupby.add, DataFrame.apply

Reduction Operationssum, mean, min, max, etc.sum, mean, min, max, etc.

Status: Closed (completed).

#51080 In pandas-dev/pandas;

· by rhshadrach was closed

on Mar 6, 2023

BUG: Inconsistency in <code>groupby</code> with multi-index

DeprecateFunctionality to remove in pandasFunctionality to remove in pandas

Status: Closed (completed).

#51583 In pandas-dev/pandas;

· by erezinman was closed

on Mar 18, 2023

CI: New numpy nightly broke ci

CIContinuous IntegrationContinuous Integration

Status: Closed (completed).

#51782 In pandas-dev/pandas;

· by phofl was closed

on Aug 22, 2023

PERF: GroupBy.quantile

PerformanceMemory or execution speed performanceMemory or execution speed performance

quantilequantile methodquantile method

Status: Closed (completed).

#51385 In pandas-dev/pandas;

· by jbrockmendel was closed

on Aug 1, 2023

BUG: DataFrame.stack sorting index values in rare cases

ReshapingConcat, Merge/Join, Stack/Unstack, ExplodeConcat, Merge/Join, Stack/Unstack, Explode

Status: Closed (completed).

#53824 In pandas-dev/pandas;

· by rhshadrach was closed

on Jun 28, 2023

REGR: DataFrame.stack was sometimes sorting resulting index

Needs DiscussionRequires discussion from core team before further actionRequires discussion from core team before further action

RegressionFunctionality that used to work in a prior pandas versionFunctionality that used to work in a prior pandas version

ReshapingConcat, Merge/Join, Stack/Unstack, ExplodeConcat, Merge/Join, Stack/Unstack, Explode

Status: Closed (completed).

#53969 In pandas-dev/pandas;

· by rhshadrach was closed

on Jul 13, 2023

DOC: Minor typo and punctuation error

Status: Closed (completed).

#53596 In pandas-dev/pandas;

· by kyunghei was closed

on Jun 11, 2023

BUG: inconsistent treatment of <code>numpy.Inf</code> between <code>groupby.sum()</code> and <code>groupby.apply(lambda: _grp: _grp.sum())</code>

Reduction Operationssum, mean, min, max, etc.sum, mean, min, max, etc.

Status: Closed (completed).

#53606 In pandas-dev/pandas;

· by jrowley8013 was closed

on Jun 14, 2023

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