Github user thvasilo commented on the pull request: https://github.com/apache/flink/pull/772#issuecomment-114117337 OK so as I understand it this PR is about splitting the prediction with Vector and LabeledVector input into two functions instead of one as it is now. This allows us to avoid some code duplication and have better defined semantics. I'm fine with that. I would change the name from *Evaluate* and *evaluation* to something different though. Evaluation for me means making predictions *and* evaluating the result using some aggregating metric. The result of an evaluation should be a score (real number). Something like labeledPrediction or predictLabeled makes more sense. Any other suggestions?
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