DOC Fix description of roc_auc_score for average=None #25779
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Reference Issues/PRs
Fixes #25773
What does this implement/fix? Explain your changes.
Fixes documentation of
sklearn.metrics.roc_auc_scoreforaverage=Noneparameter because it falsely stated that it only works withmulti_class="ovo". In reality, aNotImplementedErroris thrown whenaverage=Noneandmulti_class="ovo"(lines 681-684) but it works flawlessly withmulti_class="ovr". Therefore,ovoshould be changed toovrin the docs.Any other comments?
I wasted some time trying to use
roc_auc_scoreaccording to documentation withaverage=Noneandmulti_class="ovo"so I hope this fix saves somebody else's time.