make regression metrics 'multioutput' behavior consistent with scikit-learn (fixes #818) #820
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Fixes #818.
Fixes #819.
Changes in this PR
computeargument whenmultioutput == "raw_values"multioutput=Nonematches the behavior of their scikit-learn equivalentsnp.average()in regression metricsmultioutputBackground
See the linked issues for an explanation. I believe this PR is worth accepting because it will resolve an inconsistency with
scikit-learnand withdask-mlitself, but it is technically a breaking change.Thanks for your time and consideration.