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Posted to issues@spark.apache.org by "kento nozawa (JIRA)" <ji...@apache.org> on 2017/09/28 10:38:00 UTC

[jira] [Created] (SPARK-22156) incorrect learning rate update equation when numIterations > 1

kento nozawa created SPARK-22156:
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             Summary: incorrect learning rate update equation when numIterations > 1
                 Key: SPARK-22156
                 URL: https://issues.apache.org/jira/browse/SPARK-22156
             Project: Spark
          Issue Type: Improvement
          Components: MLlib
    Affects Versions: 2.2.0
            Reporter: kento nozawa
            Priority: Minor


Current equation of learning rate is incorrect when numIterations > 1.
[original code](https://github.com/tmikolov/word2vec/blob/master/word2vec.c#L393)



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