Pandas Series[dt64].astype(int64) vs Series[Sparse[dt64]].astype(int64)

dti = pd.date_range("2016-01-01", periods=3)ser = pd.Series(dti)ser[0] = pd.NaTdense = ser._valuessparse = pd....

Pandas df.rename not working with list of dataframes

I have a list of dataframes, df1,df2 ... df6. I want to rename all columns in these dataframes in the same way. However,...

Pandas ENH: Add fold attribute to DatetimeIndex

Is your feature request related to a problem?As a pandas user, I wish I could use pandas to determine which values in a ...

Pandas BUG: inconsistent groupby sample results despite same random_state

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

Pandas ENH: Support Left Semi Joins

Is your feature request related to a problem?I wish I could use the Pandas DataFrame.join function to perform left semi ...

Pandas Use list comprehension to join strings

In #41160 , a new pyupgrade feature did some rewrites likes- s = "\n".join([_build_option_description(k) fo...

Pandas DOC: make clear that DataFrame.astype supports Series input

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

Pandas BUG: groupby.nth() providing incorrect results in development code

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

Pandas DOC add git fetch upstream to instructions

Seems like forks on GitHub no longer come with tags by default, and this is causing issues for a few new contributorsLet...

Pandas ENH: A simple value filter that allows easy chaining

Feature Type[X] Adding new functionality to pandas[ ] Changing existing functionality in pandas[ ] Removing existing fun...

Pandas BUG: date_range with freq="C" (business days) return value changed on 1.5.0

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

Pandas BUG: inner join with StringDtype multi-indexes gives unexpected result in 1.5.x

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

Pandas BUG: Getting FutureWarning for Groupby.mean when using .pivot_table

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

Pandas DOC: What does TimeDelta.seconds do?

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

Pandas BUG: regression in MultiIndex.isin when index contains NA

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

Pandas Bug: Joining MultiIndex with NaNs

Code Sample, a copy-pastable example if possibleimport numpy as npimport pandas as pddf1 = pd.DataFrame(data={'col1': [1...

Pandas Missing keys in a selector list are matched to None-labeled entries of MultiIndex

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

Pandas BUG: Using None in nested object MultiIndex causes reindex to misalign.

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Pandas BUG: Index and MultiIndex ops treating nan differently

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

Pandas BUG: Constructing DataFrame from list of series with MultiIndex, if MultiIndex contains (NaN, NaN)

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