Github user sachingoel0101 commented on the pull request:
https://github.com/apache/flink/pull/861#issuecomment-132439907
Including the collect step in the documentation seems weird, IMO. Since the
return type is a `DataSet[Histogram]`, anyone familiar with flink will know to
collect it first before operating on the element itself.
Of course, one other option would be actually collect and return the
histogram in the `create` functions, but we don't wanna do that in case it is
used inside an iteration.
Should I include the collect step in the documentation then?
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