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Posted to issues@spark.apache.org by "yuhao yang (JIRA)" <ji...@apache.org> on 2017/10/05 21:04:00 UTC

[jira] [Created] (SPARK-22210) Online LDA variationalTopicInference should use random seed to have stable behavior

yuhao yang created SPARK-22210:
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             Summary: Online LDA variationalTopicInference  should use random seed to have stable behavior
                 Key: SPARK-22210
                 URL: https://issues.apache.org/jira/browse/SPARK-22210
             Project: Spark
          Issue Type: Improvement
          Components: ML
    Affects Versions: 2.2.0
            Reporter: yuhao yang
            Priority: Minor


https://github.com/apache/spark/blob/16fab6b0ef3dcb33f92df30e17680922ad5fb672/mllib/src/main/scala/org/apache/spark/mllib/clustering/LDAOptimizer.scala#L582

Gamma distribution should use random seed to have consistent behavior.



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