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‎doc/whats_new/v0.24.rst

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@@ -195,6 +195,12 @@ Changelog
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usage in `fit`. :pr:`18334` by `Olivier Grisel`_ `Nicolas Hug`_, `Thomas
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Fan`_ and `Andreas Müller`_.
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- |Efficiency| Histogram initialization is now done in parallel in
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:class:`ensemble.HistGradientBoostingRegressor` and
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:class:`ensemble.HistGradientBoostingClassifier` which results in speed
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improvement for problems that build a lot of nodes.
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:pr:`18341` by `Olivier Grisel`_, `Nicolas Hug`_, `Thomas Fan`_.
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- |API|: The parameter ``n_classes_`` is now deprecated in
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:class:`ensemble.GradientBoostingRegressor` and returns `1`.
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:pr:`17702` by :user:`Simona Maggio <simonamaggio>`.

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