Pandas DEPS: make a package for the ci/code_checks.sh

I think it might be nice to put the ci/code_checks.sh into its own repo / library where others could use these.I think w...

Pandas Annotate API-exposed Items from pandas.core.api

We currently expose all of the following items from pandas.core.api via the API:from pandas.core.api import ( # dtype...

Pandas DOC/STYLE: Fix "F821 undefined name 'pd'" errors

It'd be great to start linting the doctests (validate the docstring examples for pep8 issues).To start with core/generic...

Pandas PERF: cythonize vectorized string routines

Not a night and day improvement since all we're doing is removing some python overhead, but there does seem to be 2x+ pe...

Pandas API: groupby.transform()

In [4]: df = pd.DataFrame({'A':[1,1,2,2],'B':[1,2,3,4]})In [5]: df.groupby('A').transform('max')Out[5]: B0 21 22 4...

Pandas ENH: Series.name should return a string or None

Is your feature request related to a problem?Currently, the constructor for Series has the name argument as a str or Non...

Pandas Index dtype is changed to object after left join

Code Sampleimport pandas as pdimport numpy as npleft = pd.DataFrame( columns=['A'], index=pd.Index([], name='id',...

Pandas DEPR: reindex/rename_axis signature make rewrite_axis_style_signature unnecessary

AFAICT rewrite_axis_style_signature exists to disambiguate positional/keyword arguments. Can we deprecate some non-keyw...

Pandas Timedelta +/- timedelta64[no-unit] assumes ns

A test failure that only showed up on appveyor: https://ci.appveyor.com/project/pandas-dev/pandas/build/1.0.9563/job/b47...

Pandas ENH: Add global option io.nullable_type="pandas"|"pyarrow" to control IO reader use_nullable_dtype

xref: https://github.com/pandas-dev/pandas/issues/29752, https://github.com/pandas-dev/pandas/issues/36712From the above...

Pandas API: should creating a Series from a Series return a shallow copy? (share data, not attributes)

Currently, if you create a Series from another Series, you get a new object, but because it shares the manager, it also ...

Pandas CI: pyarrow 11 broke ci

The new pyarrow fails 4 tests. We already pinned to < 11 to keep ci green.https://app.circleci.com/pipelines/github/p...

Pandas DOC: Remove reference to sql fallback support for mysql connection objects

Pandas version checks[X] I have checked that the issue still exists on the latest versions of the docs on main hereLocat...

Pandas BUG: replace with inplace=True does not respect CoW

Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...

Pandas API revert inference of resolution when parsing string in Timestamp?

Should #49737 be reverted?This was brought in the dev call yesterday. It's great that non-nanosecond support is coming a...

Pandas Vectorized "crossing" computation

http://stackoverflow.com/questions/10475488/calculating-crossing-intercept-points-of-a-series-or-dataframedef cross(seri...

Pandas "cumplyr"-like functionality

cc @johnmyleswhitehttp://www.johnmyleswhite.com/notebook/2012/05/03/cumplyr-extending-the-plyr-package-to-handle-cross-d...

Pandas ENH: Add engine keyword to read_json to enable reading from pyarrow

pyarrow has a read_json function that could be used as an alternative parser for pd.read_json https://arrow.apache.org/d...

Pandas BUG: failed to setup dev environment (pip)

[x] I have checked that this issue has not already been reported.[ ] I have confirmed this bug exists on the latest vers...

Pandas tslibs TODO list

Misc:- [x] Timestamp.replace should support fold kwarg. ATM the kwarg exists but is ignored.- [x] Timestamp constructor...
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