Github user rnowling commented on the pull request: https://github.com/apache/spark/pull/1964#issuecomment-53010747 Overall, changes look great! Thank you for considering our feedback. I like that you were able to reduce the number of files. I think SquaredEuclideanDistanceMeasure.scala probably needs to deleted -- it looks empty. I'm wondering if the tests should be compacted as well?
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