e96fc8630e
jira: https://issues.apache.org/jira/browse/SPARK-7475
Add a new argument to specify the algorithm applied to LDA, to exhibit the basic usage of LDAOptimizer.
cc jkbradley
Author: Yuhao Yang <hhbyyh@gmail.com>
Closes #6000 from hhbyyh/ldaExample and squashes the following commits:
0a7e2bc [Yuhao Yang] fix according to comments
5810b0f [Yuhao Yang] adjust ldaExample for online LDA
(cherry picked from commit
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