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Consider moving pyarrow's pandas compatibility and conversion code to the pandas project?

Arrowpyarrow functionalitypyarrow functionality

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

Status: Open.

#59780 In pandas-dev/pandas;

· jorisvandenbossche opened on Sep 11, 2024

TRACKER: new default String dtype (pyarrow-backed, numpy NaN semantics)

API Design

Arrowpyarrow functionalitypyarrow functionality

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

Status: Open.

#54792 In pandas-dev/pandas;

· jorisvandenbossche opened on Aug 28, 2023

·  

3.1

API: with CoW, should every new Series/DataFrame object also have its own new Index objects?

API Design

Copy / view semantics

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

Status: Open.

#53721 In pandas-dev/pandas;

· jorisvandenbossche opened on Jun 19, 2023

EA interface - requirements for "hashable, value+order-preserving ndarray"

API Design

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

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

Status: Open.

#33276 In pandas-dev/pandas;

· jorisvandenbossche opened on Apr 3, 2020

API: require scalar result from the scalar .at indexer

API Design

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

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

Status: Open.

#33153 In pandas-dev/pandas;

· jorisvandenbossche opened on Mar 30, 2020

API: distinguish NA vs NaN in floating dtypes

API Design

Enhancement

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

NA - MaskedArraysRelated to pd.NA and nullable extension arraysRelated to pd.NA and nullable extension arrays

PDEP missing valuesIssues that would be addressed by the Ice Cream Agreement from the Aug 2023 sprintIssues that would be addressed by the Ice Cream Agreement from the Aug 2023 sprint

Status: Open.

#32265 In pandas-dev/pandas;

· jorisvandenbossche opened on Feb 26, 2020

BUG: wrong errors when indexing with list that includes pd.NA

Bug

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

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

NA - MaskedArraysRelated to pd.NA and nullable extension arraysRelated to pd.NA and nullable extension arrays

Status: Open.

#31948 In pandas-dev/pandas;

· jorisvandenbossche opened on Feb 13, 2020

Unstable hashtable / duplicated algo for object dtype

Bug

duplicatedduplicated, drop_duplicatesduplicated, drop_duplicates

Status: Open.

#27035 In pandas-dev/pandas;

· jorisvandenbossche opened on Jun 25, 2019

API? how to do a "rolling groupby" or groupby with overlapping groups?

Enhancement

Usage Question

Windowrolling, ewma, expandingrolling, ewma, expanding

Status: Open.

#26959 In pandas-dev/pandas;

· jorisvandenbossche opened on Jun 20, 2019

REGR: assigning scalar with a length no longer works

Bug

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: Open.

#26333 In pandas-dev/pandas;

· jorisvandenbossche opened on May 10, 2019

DOC: further clarifications to docstring guide

Docs

Status: Open.

#20309 In pandas-dev/pandas;

· jorisvandenbossche opened on Mar 12, 2018

DOC: develop a set of standard example DataFrames for use in docstring examples

Docs

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

Status: Open.

#19710 In pandas-dev/pandas;

· jorisvandenbossche opened on Feb 15, 2018