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Apr 28, 2020
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DOC Add whats new for missing PRs #17066

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DOC Adds whats new
thomasjpfan Apr 27, 2020
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DOC Adds whats new
thomasjpfan Apr 28, 2020
dea679a
CLN Address comments
thomasjpfan Apr 28, 2020
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DOC Adds SelectorMixin pr
thomasjpfan Apr 28, 2020
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29 changes: 29 additions & 0 deletions doc/whats_new/v0.23.rst
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Expand Up @@ -275,6 +275,11 @@ Changelog
with log-link useful for modeling count data.
:pr:`16692` by :user:`Christian Lorentzen <lorentzenchr>`

- |Fix| Fixed a bug where :class:`ensemble.HistGradientBoostingRegressor` and
:class:`ensemble.HistGradientBoostingClassifier` would fail with multiple
calls to fit when `warm_start=True`, `early_stopping=True`, and there is no
validation set. :pr:`16663` by `Thomas Fan`_.

:mod:`sklearn.feature_extraction`
.................................

Expand All @@ -283,11 +288,16 @@ Changelog
for datasets with large vocabularies combined with ``min_df`` or ``max_df``.
:pr:`15834` by :user:`Santiago M. Mola <smola>`.

:mod:`sklearn.feature_selection`
................................

- |Enhancement| Added support for multioutput data in
:class:`feature_selection.RFE` and :class:`feature_selection.RFECV`.
:pr:`16103` by :user:`Divyaprabha M <divyaprabha123>`.

- |API| Adds :class:`feature_selection.SelectorMixin` back to public API.
:pr:`16132` by :user:`trimeta`.

:mod:`sklearn.gaussian_process`
...............................

Expand Down Expand Up @@ -441,6 +451,11 @@ Changelog
:mod:`sklearn.neural_network`
.............................

- |Efficiency| :class:`neural_network.MLPClassifier` and
:class:`neural_network.MLPRegressor` has reduced memory footprint when using
stochastic solvers, `'sgd'` or `'adam'`, and `shuffle=True`. :pr:`14075` by
:user:`meyer89`.

- |Fix| Increases the numerical stability of the logistic loss function in
:class:`neural_network.MLPClassifier` by clipping the probabilities.
:pr:`16117` by `Thomas Fan`_.
Expand All @@ -460,6 +475,10 @@ Changelog
each feature with two categories. :pr:`16245`
by :user:`Rushabh Vasani <rushabh-v>`.

- |Enhancement| :class:`preprocessing.OneHotEncoder`'s `drop_idx_` ndarray
can now contain `None`, where `drop_idx_[i] = None` means that no category
is dropped for index `i`. :pr:`16585` by :user:`Chiara Marmo <cmarmo>`.

- |Efficiency| :class:`preprocessing.OneHotEncoder` is now faster at
transforming. :pr:`15762` by `Thomas Fan`_.

Expand All @@ -472,6 +491,13 @@ Changelog
normalizing the vectors. :pr:`16632` by
:user:`Maura Pintor <Maupin1991>` and :user:`Battista Biggio <bbiggio>`.

:mod:`sklearn.semi_supervised`
..............................

- |Fix| :class:`semi_supervised.LabelSpreading` and
:class:`semi_supervised.LabelPropagation` avoids divide by zero warnings
when normalizing `label_distributions_`. :pr:`15946` by :user:`ngshya`.

:mod:`sklearn.svm`
..................

Expand Down Expand Up @@ -539,6 +565,9 @@ Changelog
and support for classes will be removed in 0.24. Pass instances instead.
:pr:`17032` by `Nicolas Hug`_.

- |FIX| :func:`utils.all_estimators` now only returns public estimators.
:pr:`15380` by `Thomas Fan`_.

:mod:`sklearn.cluster`
......................

Expand Down