Pandas DEPR: NDFrame.bool

We recently deprecated Series.__int__ and Series.__float__, let's do NFrame.bool too.xref #32923Comment From: phofl+1 Th...

Pandas BUG: assert_frame_equal still checks category dtypes even when asked not to check index type

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

Pandas Poor performance of constructing of DataFrame from series which indexes have different time zones

Code Sample, a copy-pastable example if possibleimport timeimport pandas as pda = pd.Series([1, 1], index=pd.DatetimeInd...

Pandas Proposal: Allow operator overloading for custom classes to return custom objects

Code Sample, a copy-pastable example if possibleimport numpyimport pandasclass Pipe: def __init__(self, function): ...

Pandas str.split expand by row

Problem descriptionCurrently, setting expand=True in str.split just creates new columns. While there is a solution here ...

Pandas ENH: unsparsify multi-index column labels

read_csv requires the multi-index column labels to be non-sparse in order to properly parse them. I am not sure if this ...

Pandas Series do not display HTML repr

Not sure if it's always been this way or if refactoring broke something.In any case it looks strange when in ipnb:relate...

Pandas Refactor DataFrame.replace to dispatch on types

I'm having trouble figuring out how DataFrame.replace() is supposed to work. I'm not sure if this is a bug or a document...

Pandas PERF: pd.eval when using mixed types

In [11]: df = pd.DataFrame({"A": np.arange(1000000), "B": np.arange(1000000, 0, -1), "C": ...

Pandas ER: empty frame assignment to frame results in unclear error message

http://stackoverflow.com/questions/19267029/why-pandas-transform-fails-if-you-only-have-a-single-column/19271841#1927184...

Pandas read_fwf colspecs autodetection could be more flexible

See https://github.com/pydata/pandas/pull/4955#issuecomment-25352643id foo 1 a1 a1 a123aThis works with the snippet i...

Pandas to_json of df with multi-index header, followed by read_json results in incorrectly formatted column headers

cc @KomnomnomnomI'm using a recent anaconda build on Windows, which includes v 0.12.0 pandas. I'm attempting to use a m...

Pandas string getitem methods are slow

related #2802It seems that str[1] is significantly slower than .apply(lambda x: x[1])See this So answer http://stackover...

Pandas Provide more intelligent way of setting skipfooter in read_csv

See for example: http://www.datazoa.com/publish/export.asp?hash=vg6p5mBl1v&uid=dzadmin&a=exportcsv, http://www.d...

Pandas Non-Reducing Return Values in Rolling .apply

related #2813, #4964 (somewhat)At the moment rolling_apply (et al) the passed function has to return a value (unlike app...

Pandas DOC/WIP: doc page for the layout of the internals of pandas

this would be useful for reference purposes and also so that @jreback doesn't have to fix almost every non-trivial bug t...

Pandas BUG: Inconsistent behavior with groupby/min and observed=False on categoricals between 2.0 and 2.1

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

Pandas DEPR: SeriesGroupBy.agg with dict argument

Edit: Instead of implementing the as_index=True case mentioned below, the as_index=False case should be deprecated, and ...

Pandas DOC: Using timedelta as freq for timedelta_range, interval_range, and date_range

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

Pandas BUG: Performance regression in .dropna on DataFrame subclasses

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