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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2017/01/03 23:31:58 UTC
[jira] [Commented] (SPARK-19066) SparkR LDA doesn't set optimizer
correctly
[ https://issues.apache.org/jira/browse/SPARK-19066?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15796545#comment-15796545 ]
Apache Spark commented on SPARK-19066:
--------------------------------------
User 'wangmiao1981' has created a pull request for this issue:
https://github.com/apache/spark/pull/16464
> SparkR LDA doesn't set optimizer correctly
> ------------------------------------------
>
> Key: SPARK-19066
> URL: https://issues.apache.org/jira/browse/SPARK-19066
> Project: Spark
> Issue Type: Bug
> Components: SparkR
> Reporter: Miao Wang
>
> spark.lda pass the optimizer "em" or "online" 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.
> In addition, the `summary` method should bring back the results related to `DistributedLDAModel`.
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