[jira] [Commented] (SPARK-7496) Update Programming guide with Online LDA

["yuhao yang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-7496?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14537114#comment-14537114 ] 

yuhao yang commented on SPARK-7496:
-----------------------------------

Hi Joseph, just something I got for your reference,

LDA takes in a collection of documents as vectors of word counts. It supports different inference algorithms via setOptimizer function. EMLDAOptimizer learns clustering using expectation-maximization on the likelihood function, while OnlineLDAOptimizer uses iterative mini-batch sampling for online variational inference,

After fitting on the documents, LDA provides:

> Update Programming guide with Online LDA
> ----------------------------------------
>
>                 Key: SPARK-7496
>                 URL: https://issues.apache.org/jira/browse/SPARK-7496
>             Project: Spark
>          Issue Type: Documentation
>          Components: Documentation, MLlib
>            Reporter: Joseph K. Bradley
>            Priority: Minor
>
> Update LDA subsection of clustering section of MLlib programming guide to include OnlineLDA



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