@@ -98,7 +98,7 @@ Enhancements
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- Added ability to set ``n_jobs `` parameter to :func: `pipeline.make_union `.
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A ``TypeError `` will be raised for any other kwargs. :issue: `8028 `
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by :user: `Alexander Booth <alexandercbooth> `.
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- Added type checking to the ``accept_sparse `` parameter in
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:mod: `sklearn.utils.validation ` methods. This parameter now accepts only
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boolean, string, or list/tuple of strings. ``accept_sparse=None `` is deprecated
@@ -140,12 +140,18 @@ Bug fixes
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where the ``perplexity `` method was returning incorrect results because
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the ``transform `` method returns normalized document topic distributions
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as of version 0.18. :issue: `7954 ` by :user: `Gary Foreman <garyForeman> `.
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-
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- Fix a bug where :class: `sklearn.ensemble.GradientBoostingClassifier ` and
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:class: `sklearn.ensemble.GradientBoostingRegressor ` ignored the
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``min_impurity_split `` parameter.
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:issue: `8006 ` by :user: `Sebastian Pölsterl <sebp> `.
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+ - Fix a bug where
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+ :class: `sklearn.ensemble.gradient_boosting.QuantileLossFunction ` computed
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+ negative errors for negative values of ``ytrue - ypred `` leading to
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+ wrong values when calling ``__call__ ``.
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+ :issue: `8087 ` by :user: `Alexis Mignon <AlexisMignon> `
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+
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API changes summary
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-------------------
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@@ -154,7 +160,7 @@ API changes summary
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ensemble estimators (deriving from :class: `ensemble.BaseEnsemble `)
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now only have ``self.estimators_ `` available after ``fit ``.
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:issue: `7464 ` by `Lars Buitinck `_ and `Loic Esteve `_.
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-
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- Deprecate the ``doc_topic_distr `` argument of the ``perplexity `` method
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in :class: `sklearn.decomposition.LatentDirichletAllocation ` because the
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user no longer has access to the unnormalized document topic distribution
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