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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2017/03/28 20:15:42 UTC

[jira] [Assigned] (SPARK-20082) Incremental update of LDA model, by adding initialModel as start point

     [ https://issues.apache.org/jira/browse/SPARK-20082?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-20082:
------------------------------------

    Assignee:     (was: Apache Spark)

> Incremental update of LDA model, by adding initialModel as start point
> ----------------------------------------------------------------------
>
>                 Key: SPARK-20082
>                 URL: https://issues.apache.org/jira/browse/SPARK-20082
>             Project: Spark
>          Issue Type: New Feature
>          Components: ML
>    Affects Versions: 2.1.0
>            Reporter: Mathieu D
>
> Some mllib models support an initialModel to start from and update it incrementally with new data.
> From what I understand of OnlineLDAOptimizer, it is possible to incrementally update an existing model with batches of new documents.
> I suggest to add an initialModel as a start point for LDA.



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