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Posted to issues@spark.apache.org by "Joseph K. Bradley (JIRA)" <ji...@apache.org> on 2018/02/09 00:10:00 UTC

[jira] [Updated] (SPARK-22156) Word2Vec: incorrect learning rate update equation when numIterations > 1

     [ https://issues.apache.org/jira/browse/SPARK-22156?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joseph K. Bradley updated SPARK-22156:
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    Summary: Word2Vec: incorrect learning rate update equation when numIterations > 1  (was: incorrect learning rate update equation when numIterations > 1)

> Word2Vec: 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
>            Assignee: kento nozawa
>            Priority: Minor
>             Fix For: 2.3.0
>
>
> 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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