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BUG: Add np.uintc to _factorizers in merge.py to fix KeyError when merging DataFrames with uintc columns

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

WindowsWindows OSWindows OS

Status: Closed (abandoned).

pandas-dev/pandasnumber 58727

#58727 In pandas-dev/pandas;

· by Tirthchoksi22 was closed on Jun 17, 2024

· Updated on Jun 17, 2024

WIP: ENH: pivot/groupby index with nan

Groupby

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

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

Status: Closed (abandoned).

pandas-dev/pandasnumber 12607

#12607 In pandas-dev/pandas;

· by nbonnotte was closed on Jul 26, 2017

· Updated on May 11, 2023

ENH/API: DataFrame.stack() support for level=None, sequentially=True/False, and NaN level values.

API Design

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

Status: Closed (abandoned).

pandas-dev/pandasnumber 9023

#9023 In pandas-dev/pandas;

· by seth-p was closed on Jan 20, 2016

· Updated on May 11, 2023

ENH: add Series & DataFrame .agg/.aggregate

API Design

Enhancement

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

Status: Merged (completed).

pandas-dev/pandasnumber 14668

#14668 In pandas-dev/pandas;

· by jreback was closed on Apr 14, 2017

· Updated on Feb 8, 2023

· 

0.20.0

BUG: Check for duplicate names columns and index in crosstab

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

Status: Closed (abandoned).

pandas-dev/pandasnumber 28474

#28474 In pandas-dev/pandas;

· by cuchoi was closed on Nov 22, 2020

· Updated on Dec 15, 2022

ENH: conditional merge - initial concept

Enhancement

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

Status: Closed (abandoned).

pandas-dev/pandasnumber 42964

#42964 In pandas-dev/pandas;

· by ms7463 was closed on Apr 24, 2022

· Updated on Sep 27, 2022

Merge nonstring columns

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

Enhancement

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

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

Status: Closed (abandoned).

pandas-dev/pandasnumber 46879

#46879 In pandas-dev/pandas;

· by ericman93 was closed on Aug 9, 2022

· Updated on Aug 9, 2022

ENH:included anti join functionality

Enhancement

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

Stale

Status: Closed (abandoned).

pandas-dev/pandasnumber 43056

#43056 In pandas-dev/pandas;

· by debnathshoham was closed on Feb 13, 2022

· Updated on Feb 13, 2022

BUG: Raise ValueError for non numerical join columns in merge_asof

Error ReportingIncorrect or improved errors from pandasIncorrect or improved errors from pandas

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

Status: Merged (completed).

pandas-dev/pandasnumber 34488

#34488 In pandas-dev/pandas;

· by phofl was closed on Jan 6, 2021

· Updated on Jul 25, 2021

· 

1.3

BUG: 2D ndarray of dtype 'object' is always copied upon construction

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

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

Status: Merged (completed).

pandas-dev/pandasnumber 39272

#39272 In pandas-dev/pandas;

· by irgolic was closed on Jul 15, 2021

· Updated on Jul 15, 2021

· 

1.4

EHN: multi-column explode

Enhancement

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

Status: Merged (completed).

pandas-dev/pandasnumber 40770

#40770 In pandas-dev/pandas;

· by iynehz was closed on Jun 21, 2021

· Updated on Jun 21, 2021

· 

1.3

ENH: DataFrame.append preserves columns dtype if possible

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

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

Status: Merged (completed).

pandas-dev/pandasnumber 19021

#19021 In pandas-dev/pandas;

· by topper-123 was closed on Apr 20, 2018

· Updated on May 22, 2021

· 

0.23.0