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32193.Fix

doc/whats_new/upcoming_changes/sklearn.tree/32193.fix.rst

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  • Fixed feature-wise NaN detection in trees. Features could be seen as NaN-free for some edge-case patterns, which led to not considering splits with NaNs assigned to the left node for those features. This affects:
    • :class:tree.DecisionTreeRegressor
    • :class:tree.ExtraTreeRegressor
    • :class:ensemble.RandomForestRegressor
    • :class:ensemble.ExtraTreesRegressor By :user:Arthur Lacote <cakedev0>