Pandas API: specification of functions in .agg

  • 2025-02-08 22:48:14
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[ ] pd.Summary[x] dict-of-dict #9052[ ] named functions #10100 From SOIn [100]: df = pd.DataFrame({'A': ['group1', 'grou...

Pandas API: Gather and other inspiration from tidyr

  • 2025-02-08 22:48:08
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http://connor-johnson.com/2014/08/28/tidyr-and-pandas-gather-and-melt/ In the spirit of the excellent assign method, won...

Pandas API: add top-level functions as method

  • 2025-02-08 22:48:03
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xref https://github.com/pydata/pandas/pull/12578so its pretty easy to add (and eventually deprecate) certain top-level f...

Pandas API: port the magic X from pandas_ply/dplython to pandas proper?

  • 2025-02-08 22:47:58
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Many DataFrame methods (now including __getitem__) accept callables that take the DataFrame as input, e..g, df[lambda x:...

Pandas Add set operations to Series objects

  • 2025-02-08 22:47:54
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from this SO questionComment From: haydWould this just be on the Series values (i.e. ignore index)?I had a look in algos...

Pandas Add support for a pandasrc

  • 2025-02-08 22:47:49
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Just using the existing configuration framework, but with a file format like matplotlib uses... See how they do it here:...

Pandas ENH: Add high-performance DecimalArray type?

  • 2025-02-08 22:47:43
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Is your feature request related to a problem?Doing operations with decimal types is currently very slow, since pandas st...

Pandas BUG: Unable to compare unordered categories

  • 2025-02-08 22:47:35
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Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...

Pandas STYLE ruff: enable PIE

  • 2025-02-08 22:47:27
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steps are:add# misc lints"PIE",to https://github.com/pandas-dev/pandas/blob/6db4c479d719a400ef39bc59adc831c4f5...

Pandas BUG: pd.fillna(np.nan, inplace=True) replaces values which are not None when using datetime dtype

  • 2025-02-08 22:47:20
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Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...

Pandas REGR: df.apply('any', axis=1) fails with ValueError

  • 2025-02-08 22:47:13
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Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...

Pandas BUG: ExcelWriter.book - attribute not accessible for setting

  • 2025-02-08 22:47:07
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Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...

Pandas BUG: Regression in assert_frame_equal with check_like=True and Multiindex

  • 2025-02-08 22:47:00
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Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...

Pandas BUG: df.to_parquet() fails for a PyFilesystem2 file handle

  • 2025-02-08 22:46:54
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Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...

Pandas BUG: freq information lost after stack() is called

  • 2025-02-08 22:46:47
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Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...

Pandas BUG: The behavior for DataFrame.corrwith is changed in pandas 1.5.0 ??

  • 2025-02-08 22:46:37
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Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...

Pandas QST: Pandas vs Pinescript weighted moving avarages (EMA)

  • 2025-02-08 22:46:31
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Research[X] I have searched the [pandas] tag on StackOverflow for similar questions.[X] I have asked my usage related qu...

Pandas BUG: Groupby.agg with non-reducing UDF

  • 2025-02-08 22:46:25
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In GroupBy._python_agg_general we have a check if self.ngroups == 0: # e.g. test_evaluate_with_empty_g...

Pandas DOC: "Creating a Python environment" in "Creating a development environment" needs update

  • 2025-02-08 22:46:17
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Pandas version checks[X] I have checked that the issue still exists on the latest versions of the docs on main hereLocat...

Pandas DOC: seconds attribute of timedelta surprises and no warning is given in the docs

  • 2025-02-08 22:46:11
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Pandas version checks[X] I have checked that the issue still exists on the latest versions of the docs on main hereLocat...
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