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https://issues.apache.org/jira/browse/SPARK-9888?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joseph K. Bradley resolved SPARK-9888.
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Resolution: Fixed
Fix Version/s: 1.5.0
Issue resolved by pull request 8254
[https://github.com/apache/spark/pull/8254]
> Update LDA User Guide
> ---------------------
>
> Key: SPARK-9888
> URL: https://issues.apache.org/jira/browse/SPARK-9888
> Project: Spark
> Issue Type: Documentation
> Components: MLlib
> Reporter: Feynman Liang
> Assignee: Feynman Liang
> Fix For: 1.5.0
>
>
> LDA has received numerous updates in 1.5, including:
> * OnlineLDAOptimizer:
> * Asymmetric document-topic priors
> * Document-topic hyperparameter optimization
> * LocalLDAModel
> * predict
> * logPerplexity / logLikelihood
> * DistributedLDAModel:
> * topDocumentsPerTopic
> * topTopicsPerDoc
> * Save/load
> It is important to note that OnlineLDAOptimizer=>LocalLDAModel and
> EMLDAOptimizer=>DistributedLDAModel now support different features. The user
> guide should document these differences.
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