Github user rawkintrevo commented on the pull request:
https://github.com/apache/flink/pull/871#issuecomment-203067582
Continued from mailing list: Till already mentioned that having Rsquared
built in to MLR was just a convenience method, it's not good for a number of
reasons in practice.
Also- what is the hold up on this PR? what needs to be done/ what are the
remaining things to decide? Having some model scoring would be very handy.
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