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Posted to issues@spark.apache.org by "Marcellus de Castro Tavares (JIRA)" <ji...@apache.org> on 2019/03/13 17:30:00 UTC
[jira] [Commented] (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:comment-tabpanel&focusedCommentId=16791919#comment-16791919 ]
Marcellus de Castro Tavares commented on SPARK-20082:
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Hi, is this feature still on the roadmap? It's been in progress for a while.
Thanks
> 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 DESPRIEE
> Priority: Major
>
> 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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