Github user chiwanpark commented on the pull request:
https://github.com/apache/flink/pull/861#issuecomment-131512180
@sachingoel0101 There is no need to forgive. I just reviewed this PR and
left my opinions. :) If you feel that my comments is aggressive, I'm sorry
about that.
About cosmetic issues, It seems okay except `MLUtils.createHistogram`
method.
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