Github user etrain commented on the pull request:
https://github.com/apache/spark/pull/886#issuecomment-48767401
I've gone through this in some depth, and aside from a couple of minor
style nits - the logic looks good to me. Manish - have you compared output vs.
scikit-learn for multiclass datasets and verified that things look at least
reasonably similar?
Really awesome work!
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