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From jkbradley <>
Subject [GitHub] spark pull request: [SPARK-8536][MLlib]Generalize OnlineLDAOptimiz...
Date Fri, 10 Jul 2015 19:14:45 GMT
Github user jkbradley commented on the pull request:
    About eta, you're right that specifying a Matrix that large would be silly because of
the size.  One option would be to emulate [],
which allows you to specify a Vector of length vocabSize (presumably setting the same prior
for each topic).  Maybe it's not worthwhile though.  Let's create a separate JIRA and link
to the Wallach paper + the Stanford NLP API, and note that we're leaving it as a to-do for
now to see if users have actual needs for setting that prior.
    Thanks for considering it!
    Yes, I can leave the JIRA open after this gets merged.

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