DOC: whatsnew 2.1.0 refinements #54545
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rhshadrach
commented
Aug 14, 2023
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@MarcoGorelli - one of the side-effects of the autosort in the whatsnew is that some notes got moved around here making review slightly harder. It looks like it happened only a few times, not a big deal in my opinion. Still very positive on autosort in general.
| New :meth:`DataFrame.map` method and support for ExtensionArrays | ||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | ||
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| The :meth:`DataFrame.map` been added and :meth:`DataFrame.applymap` has been deprecated. :meth:`DataFrame.map` has the same functionality as :meth:`DataFrame.applymap`, but the new name better communicates that this is the :class:`DataFrame` version of :meth:`Series.map` (:issue:`52353`). |
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It seemed to me we were burying the lead here; wanted to make the additional method to DataFrame be at the top.
| @@ -222,50 +222,51 @@ If the input contains NA values, the previous version would drop those as well w | |||
| Other enhancements | |||
| ^^^^^^^^^^^^^^^^^^ | |||
| - :meth:`Series.ffill` and :meth:`Series.bfill` are now supported for objects with :class:`IntervalDtype` (:issue:`54247`) | |||
| - :meth:`Categorical.map` and :meth:`CategoricalIndex.map` now have a ``na_action`` parameter. | |||
| :meth:`Categorical.map` implicitly had a default value of ``"ignore"`` for ``na_action``. This has formally been deprecated and will be changed to ``None`` in the future. | |||
| - Added ``filters`` parameter to :func:`read_parquet` to filter out data, compatible with both ``engines`` (:issue:`53212`) | |||
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This note was moved from the bugfix section
doc/source/whatsnew/v2.1.0.rst
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This section is blank; I just wanted to make this more apparent. cc @lithomas1
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My bad, I deleted the lines but not the section 🤦 .
Can we just take the whole section out?
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Sounds good! I was thinking we may still add something here, but that seems quite unlikely. Will remove in this PR.
doc/source/whatsnew/v2.1.0.rst
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| @@ -374,6 +378,8 @@ Deprecations | |||
| Deprecated silent upcasting in setitem-like Series operations | |||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | |||
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| https://pandas.pydata.org/pdeps/0006-ban-upcasting.html | |||
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I thought the link to the PDEP could be more prominent.
rhshadrach
commented
Aug 15, 2023
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/preview |
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No preview found for PR #54545. Did the docs build complete? |
mroeschke
reviewed
Aug 15, 2023
doc/source/whatsnew/v2.1.0.rst
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| @@ -44,7 +44,7 @@ This release introduces an option ``future.infer_string`` that infers all | |||
| strings as PyArrow backed strings with dtype ``pd.ArrowDtype(pa.string())`` instead. | |||
| This option only works if PyArrow is installed. PyArrow backed strings have a | |||
| significantly reduced memory footprint and provide a big performance improvement | |||
| compared to NumPy object. | |||
| compared to NumPy object (:issue:`#54430`). | |||
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Suggested change
| compared to NumPy object (:issue:`#54430`). | |
| compared to NumPy object (:issue:`54430`). |
mroeschke
reviewed
Aug 15, 2023
doc/source/whatsnew/v2.1.0.rst
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| - :meth:`pandas.read_html` now supports the ``storage_options`` keyword when used with a URL, allowing users to add headers the outbound HTTP request (:issue:`49944`) | ||
| - Add :meth:`diff()` and :meth:`round()` for :class:`Index` (:issue:`19708`) | ||
| - :meth:`pandas.read_html` now supports the ``storage_options`` keyword when used with a URL, allowing users to add headers to the outbound HTTP request (:issue:`49944`) | ||
| - Add :meth:`Index.diff()` and :meth:`Index.round()` (:issue:`19708`) |
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| - Add :meth:`Index.diff()` and :meth:`Index.round()` (:issue:`19708`) | |
| - Add :meth:`Index.diff` and :meth:`Index.round` (:issue:`19708`) |
phofl
reviewed
Aug 15, 2023
doc/source/whatsnew/v2.1.0.rst
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| - Bug in :meth:`DataFrame.shift` with ``axis=1`` on a :class:`DataFrame` with a single :class:`ExtensionDtype` column giving incorrect results (:issue:`53832`) | ||
| - Bug in :meth:`GroupBy.first` and :meth:`GroupBy.last` where an empty group would return ``np.nan`` instead of a an ExtensionArray's NA value (:issue:`39098`) | ||
| - Bug in :meth:`DataFrameGroupBy.first`, :meth:`DataFrameGroupBy.last`, :meth:`SeriesGroupBy.first`, and :meth:`SeriesGroupBy.last` where an empty group would return ``np.nan`` instead of the corresponding :class:`.ExtensionArray` NA value (:issue:`39098`) |
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needs a "." before DataFrameGroupBy to render
mroeschke
approved these changes
Aug 16, 2023
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Thanks @rhshadrach |
meeseeksmachine
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Aug 16, 2023
…54588) Backport PR #54545: DOC: whatsnew 2.1.0 refinements Co-authored-by: Richard Shadrach <[email protected]>
mroeschke
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Aug 18, 2023
* DOC: whatsnew 2.1.0 refinements * fixup * Further fixups
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doc/source/whatsnew/vX.X.X.rstfile if fixing a bug or adding a new feature.Now there's a fun PR number!