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Posted to issues@spark.apache.org by "Joseph K. Bradley (JIRA)" <ji...@apache.org> on 2015/06/22 22:26:01 UTC

[jira] [Created] (SPARK-8536) Generalize LDA to asymmetric priors

Joseph K. Bradley created SPARK-8536:
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             Summary: Generalize LDA to asymmetric priors
                 Key: SPARK-8536
                 URL: https://issues.apache.org/jira/browse/SPARK-8536
             Project: Spark
          Issue Type: Improvement
          Components: MLlib
            Reporter: Joseph K. Bradley


Several users have requested LDA using asymmetric priors, including learning those hyperparameters.  We should add this functionality.

Note that it could be added to EM, online LDA, or both.  I suggest adding it to online LDA initially, followed by EM in a separate PR.



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