Search results

ENH: Allow aggregate numeric operations on timedelta64.

API Design

Groupby

TimedeltaTimedelta data typeTimedelta data type

Status: Closed (abandoned).

pandas-dev/pandasnumber 6884

#6884 In pandas-dev/pandas;

· by danielballan was closed on May 9, 2015

· Updated on Mar 20, 2024

PERF: Implement groupby idxmax/idxmin in Cython

Groupby

PerformanceMemory or execution speed performanceMemory or execution speed performance

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

Status: Merged (completed).

pandas-dev/pandasnumber 54234

#54234 In pandas-dev/pandas;

· by rhshadrach was closed on Oct 27, 2023

· Updated on Oct 27, 2023

· 

2.2

ENH: .shift optionally takes multiple periods

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

Groupby

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

Status: Merged (completed).

pandas-dev/pandasnumber 54115

#54115 In pandas-dev/pandas;

· by jona-sassenhagen was closed on Jul 28, 2023

· Updated on Jul 29, 2023

· 

2.1

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

DOC Trying to improve Group by split-apply-combine guide

Docs

Groupby

Status: Merged (completed).

pandas-dev/pandasnumber 51916

#51916 In pandas-dev/pandas;

· by DeaMariaLeon was closed on Mar 18, 2023

· Updated on Mar 19, 2023

· 

2.1

pct change bug issue 21200

Bug

Groupby

Status: Merged (completed).

pandas-dev/pandasnumber 21235

#21235 In pandas-dev/pandas;

· by simonariddell was closed on Dec 12, 2018

· Updated on Feb 12, 2023

· 

0.24.0

ENH: Add pipe method to GroupBy (fixes #10353)

API Design

Groupby

Status: Closed (abandoned).

pandas-dev/pandasnumber 10466

#10466 In pandas-dev/pandas;

· by ghl3 was closed on Dec 6, 2015

· Updated on Oct 13, 2022

Fix multiindex loc nan

Bug

Groupby

MultiIndex

Stale

Status: Closed (abandoned).

pandas-dev/pandasnumber 43943

#43943 In pandas-dev/pandas;

· by CloseChoice was closed on Feb 13, 2022

· Updated on Feb 13, 2022

ENH: Add DataFrameGroupBy.value_counts

Enhancement

Groupby

Status: Merged (completed).

pandas-dev/pandasnumber 44267

#44267 In pandas-dev/pandas;

· by johnzangwill was closed on Dec 19, 2021

· Updated on Dec 20, 2021

· 

1.4

BUG: groupby agg fails silently with mixed dtypes

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

Groupby

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 43213

#43213 In pandas-dev/pandas;

· by debnathshoham was closed on Sep 29, 2021

· Updated on Oct 19, 2021

· 

1.3.4

ENH: A new GroupBy method to slice rows preserving index and order

Enhancement

Groupby

Status: Merged (completed).

pandas-dev/pandasnumber 42947

#42947 In pandas-dev/pandas;

· by johnzangwill was closed on Oct 15, 2021

· Updated on Oct 18, 2021

· 

1.4

BUG: Fixes to FixedForwardWindowIndexer and GroupbyIndexer (#43267)

Groupby

SegfaultNon-Recoverable ErrorNon-Recoverable Error

Windowrolling, ewma, expandingrolling, ewma, expanding

Status: Merged (completed).

pandas-dev/pandasnumber 43291

#43291 In pandas-dev/pandas;

· by dsm054 was closed on Oct 16, 2021

· Updated on Oct 16, 2021

· 

1.3.4