List view

Fix segfault with printing dataframe

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

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

Status: Closed (abandoned).

pandas-dev/pandasnumber 47097

#47097 In pandas-dev/pandas;

· by roberthdevries was closed on Aug 5, 2022

REGR: fix regression in scalar setitem with setting a length-1 array-like

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: Merged (completed).

pandas-dev/pandasnumber 48057

#48057 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Aug 19, 2022

REGR: ensure DataFrame.select_dtypes() returns a copy

Copy / view semantics

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

Status: Merged (completed).

pandas-dev/pandasnumber 48176

#48176 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Aug 23, 2022

Backport PR #48169 on branch 1.4.x (BUG: DataFrame.select_dtypes(include=number) still included BooleanDtype)

DataFrameDataFrame data structureDataFrame data structure

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

Status: Merged (completed).

pandas-dev/pandasnumber 48174

#48174 In pandas-dev/pandas;

· by meeseeksmachine was closed on Aug 20, 2022

BUG: DataFrame.select_dtypes(include=number) still included BooleanDtype

DataFrameDataFrame data structureDataFrame data structure

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

Status: Merged (completed).

pandas-dev/pandasnumber 48169

#48169 In pandas-dev/pandas;

· by mroeschke was closed on Aug 20, 2022

REGR: fix calling numpy bitwise ufunc with Index objects

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

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

ufuncs__array_ufunc__ and __array_function____array_ufunc__ and __array_function__

Status: Merged (completed).

pandas-dev/pandasnumber 48149

#48149 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Aug 22, 2022

BUG: ensure object dtype for strftime accessor/index method + REGR: avoid spurious warning

Bug

Status: Merged (completed).

pandas-dev/pandasnumber 48147

#48147 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Aug 19, 2022

Backport PR #47550 on branch 1.4.x (REGR: fix eval with inplace=True to correctly update column values inplace)

expressionspd.eval, querypd.eval, query

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

Status: Merged (completed).

pandas-dev/pandasnumber 48151

#48151 In pandas-dev/pandas;

· by phofl was closed on Aug 19, 2022

Backport PR #47771 on branch 1.4.x (REGR: fix pd.cut with datetime IntervalIndex as bins)

cutcut, qcutcut, qcut

IntervalInterval data typeInterval data type

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

Status: Merged (completed).

pandas-dev/pandasnumber 48166

#48166 In pandas-dev/pandas;

· by meeseeksmachine was closed on Aug 19, 2022

BUG: DTI.intersection with DST transition

setopsunion, intersection, difference, symmetric_differenceunion, intersection, difference, symmetric_difference

Timestamppd.Timestamp and associated methodspd.Timestamp and associated methods

TimezonesTimezone data dtypeTimezone data dtype

Status: Merged (completed).

pandas-dev/pandasnumber 48167

#48167 In pandas-dev/pandas;

· by mroeschke was closed on Aug 21, 2022

BUG/REGR: Fix subset for DataFrameGroupBy.value_counts

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

Groupby

Status: Merged (completed).

pandas-dev/pandasnumber 48164

#48164 In pandas-dev/pandas;

· by mroeschke was closed on Aug 23, 2022

Backport PR #48143 on branch 1.4.x (CI: Switch to mambaforge as base image for Docker ENV build)

CIContinuous IntegrationContinuous Integration

Status: Merged (completed).

pandas-dev/pandasnumber 48157

#48157 In pandas-dev/pandas;

· by simonjayhawkins was closed on Aug 19, 2022

Backport PR #48147 on branch 1.4.x (BUG: ensure object dtype for strftime accessor/index method + REGR: avoid spurious warning)

Bug

Status: Merged (completed).

pandas-dev/pandasnumber 48158

#48158 In pandas-dev/pandas;

· by meeseeksmachine was closed on Aug 19, 2022

Manual Backport PR #48057 on branch 1.4.x (REGR: fix regression in scalar setitem with setting a length-1 array-like)

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.).

Status: Merged (completed).

pandas-dev/pandasnumber 48161

#48161 In pandas-dev/pandas;

· by mroeschke was closed on Aug 19, 2022

Backport PR #48167 on branch 1.4.x (BUG: DTI.intersection with DST transition)

setopsunion, intersection, difference, symmetric_differenceunion, intersection, difference, symmetric_difference

Timestamppd.Timestamp and associated methodspd.Timestamp and associated methods

TimezonesTimezone data dtypeTimezone data dtype

Status: Merged (completed).

pandas-dev/pandasnumber 48189

#48189 In pandas-dev/pandas;

· by meeseeksmachine was closed on Aug 22, 2022

REGR: fix reset_index (Index.insert) regression with custom Index subclasses

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

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

Status: Merged (completed).

pandas-dev/pandasnumber 48058

#48058 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Aug 22, 2022

BUG: fix regression in Series[string] setitem setting a scalar with a mask

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

StringsString extension data type and string dataString extension data type and string data

Status: Merged (completed).

pandas-dev/pandasnumber 47763

#47763 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Jul 18, 2022

Backport PR #47763 on branch 1.4.x (BUG: fix regression in Series[string] setitem setting a scalar with a mask)

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

StringsString extension data type and string dataString extension data type and string data

Status: Merged (completed).

pandas-dev/pandasnumber 47784

#47784 In pandas-dev/pandas;

· by meeseeksmachine was closed on Jul 19, 2022

REGR: fix pd.cut with datetime IntervalIndex as bins

cutcut, qcutcut, qcut

IntervalInterval data typeInterval data type

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

Status: Merged (completed).

pandas-dev/pandasnumber 47771

#47771 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Aug 19, 2022

REGR: preserve reindexed array object (instead of creating new array) for concat with all-NA array

ExtensionArrayExtending pandas with custom dtypes or arrays.Extending pandas with custom dtypes or arrays.

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: Merged (completed).

pandas-dev/pandasnumber 47762

#47762 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Aug 30, 2022

BUG: Fix fillna on multi indexed Dataframe doesn't work

DataFrameDataFrame data structureDataFrame data structure

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

MultiIndex

Status: Merged (completed).

pandas-dev/pandasnumber 47774

#47774 In pandas-dev/pandas;

· by xr-chen was closed on Aug 23, 2022

CI: Pin cython on 32bit build

32bit32-bit systems32-bit systems

CIContinuous IntegrationContinuous Integration

Status: Merged (completed).

pandas-dev/pandasnumber 47889

#47889 In pandas-dev/pandas;

· by mroeschke was closed on Jul 28, 2022

Backport PR #47889 on branch 1.4.x (CI: Pin cython on 32bit build)

32bit32-bit systems32-bit systems

CIContinuous IntegrationContinuous Integration

Status: Closed (abandoned).

pandas-dev/pandasnumber 47891

#47891 In pandas-dev/pandas;

· by meeseeksmachine was closed on Jul 29, 2022

Backport PR #47946: REGR: fix error caused by deprecation warning in pd.merge when joining two Series

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

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

Status: Merged (completed).

pandas-dev/pandasnumber 48154

#48154 In pandas-dev/pandas;

· by phofl was closed on Aug 19, 2022

DOC: Add pr number to whatsnew

Docs

Status: Merged (completed).

pandas-dev/pandasnumber 48155

#48155 In pandas-dev/pandas;

· by phofl was closed on Aug 19, 2022