Miao Wang created SPARK-19066:
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Summary: 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 should be TRUE.
In addition, the `summary` method should bring back the results related to
`DistributedLDAModel`.
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