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Posted to issues@spark.apache.org by "Joseph K. Bradley (JIRA)" <ji...@apache.org> on 2015/07/28 03:24:04 UTC
[jira] [Updated] (SPARK-6793) Implement perplexity for LDA
[ https://issues.apache.org/jira/browse/SPARK-6793?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Joseph K. Bradley updated SPARK-6793:
-------------------------------------
Assignee: Feynman Liang
> Implement perplexity for LDA
> ----------------------------
>
> Key: SPARK-6793
> URL: https://issues.apache.org/jira/browse/SPARK-6793
> Project: Spark
> Issue Type: Improvement
> Components: MLlib
> Affects Versions: 1.3.0
> Reporter: Joseph K. Bradley
> Assignee: Feynman Liang
> Original Estimate: 168h
> Remaining Estimate: 168h
>
> LDA should be able to compute perplexity. This JIRA is for computing it on the training dataset. See the linked JIRA for computing it on a new corpus: [SPARK-5567]
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