Github user akopich commented on the pull request:
https://github.com/apache/spark/pull/1269#issuecomment-66613030
@jkbradley
I moved Dirichlet to mllib/stats and added setters to `TokenEnumerator`.
BTW, why was it decided to use setter instead of constructors? We can set
default parameter values in constructor... I don't contest the decision -- I'm
just curious.
As far as I can see, we've got only two things left -- scalastyle and
testing against another open source project.
I definitely can test it against [tm
project](https://github.com/ispras/tm).
Is it enough to run both implementation on the same data and obtain nearly
the same perplexity values? Is it necessary to add a unit-test for this? (It
may be a headache, because tm was not tested against scala 2.10... ).
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