Github user tgaloppo commented on the pull request:
https://github.com/apache/spark/pull/3923#issuecomment-69461424
I have made the requested changes and resolved the merge conflicts.
Question: MutlivariateGuassian now keeps a private Breeze version of the
mean vector rather than convert the MLlib version to a Breeze vector with each
call to {log}pdf(). Is this worthwhile? Or is the .toBreeze.toDenseVector
sequence negligible enough that this is unnecessary?
CC: @mengxr @jkbradley
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