[WIP] Add array-api support to metrics.confusion_matrix #28867
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Reference Issues/PRs
See #26024 for the array-api meta-issue tracking the "tools" in sklearn.
What does this implement/fix? Explain your changes.
This PR adds array-api compatibility to the
sklearn.metrics.confusion_matrixmethod, aiming to support all of its current API surface. Many other classification metrics are or can be computed based on a confusion matrix so it seems fairly high value to port.TODO:
Any other comments?
None for now :)