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https://issues.apache.org/jira/browse/SPARK-4530?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved SPARK-4530.
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Resolution: Fixed
Target Version/s: 1.2.0 (was: 1.0.2, 1.2.0, 1.1.2)
This was evidently merged for master and 1.2:
https://github.com/apache/spark/commit/f515f9432b05f7e090b651c5536aa706d1cde487
> GradientDescent get a wrong gradient value according to the gradient formula,
> which is caused by the miniBatchSize parameter.
> -----------------------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-4530
> URL: https://issues.apache.org/jira/browse/SPARK-4530
> Project: Spark
> Issue Type: Bug
> Components: MLlib
> Affects Versions: 1.0.0, 1.1.0, 1.2.0
> Reporter: Guoqiang Li
> Assignee: Guoqiang Li
> Priority: Minor
> Fix For: 1.2.0
>
>
> This bug is caused by {{RDD.sample}}
> The number of {{RDD.sample}} returns is not fixed.
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