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| author | wm624@hotmail.com <wm624@hotmail.com> | 2017-01-16 06:05:59 -0800 |
|---|---|---|
| committer | Yanbo Liang <ybliang8@gmail.com> | 2017-01-16 06:05:59 -0800 |
| commit | 12c8c2160829ad8ccdab1741530361cdabdcd39d (patch) | |
| tree | dd8dcfbc084b620ce8e1ea68ec6b26491757e20f /R/install-dev.sh | |
| parent | e635cbb6e61dee450db0ef45f3d82ac282a85d3c (diff) | |
| download | spark-12c8c2160829ad8ccdab1741530361cdabdcd39d.tar.gz spark-12c8c2160829ad8ccdab1741530361cdabdcd39d.tar.bz2 spark-12c8c2160829ad8ccdab1741530361cdabdcd39d.zip | |
[SPARK-19066][SPARKR] SparkR LDA doesn't set optimizer correctly
## What changes were proposed in this pull request?
spark.lda passes the optimizer "em" or "online" as a string to the backend. However, LDAWrapper doesn't set optimizer based on the value from R. Therefore, for optimizer "em", the `isDistributed` field is FALSE, which should be TRUE based on scala code.
In addition, the `summary` method should bring back the results related to `DistributedLDAModel`.
## How was this patch tested?
Manual tests by comparing with scala example.
Modified the current unit test: fix the incorrect unit test and add necessary tests for `summary` method.
Author: wm624@hotmail.com <wm624@hotmail.com>
Closes #16464 from wangmiao1981/new.
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