GitHub user mdespriee opened a pull request:
https://github.com/apache/spark/pull/17461
[SPARK-20082][ml][WIP] LDA incremental model learning
## What changes were proposed in this pull request?
This PR implements an initialModel parameter for LDA. (Right now, only
OnlineLDAOptimizer supports it)
This is my firs contribution, please apologize is I miss something in PR
process, or Spark standards.
## How was this patch tested?
Unit tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mdespriee/spark
SPARK-20082_LDA_online_learning
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/17461.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #17461
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commit c8b44533f7cfdef4720da1dd02635ffe45206b91
Author: Mathieu DESPRIEE <matd...@gmail.com>
Date: 2017-03-27T19:58:23Z
initialModel in LDA online
commit a83925e1a336c0887e4d8f13dcb799c8c3d457ca
Author: Mathieu DESPRIEE <matd...@gmail.com>
Date: 2017-03-27T20:28:20Z
test for incremental learning
commit 707286c170f20fd32b9f7e41ec50a3b4a974a3e8
Author: Mathieu DESPRIEE <matd...@gmail.com>
Date: 2017-03-28T20:03:00Z
refact OnlineLDA
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