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https://issues.apache.org/jira/browse/SPARK-9800?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14680914#comment-14680914
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Joseph K. Bradley commented on SPARK-9800:
------------------------------------------

The 1st version's doc specifies the default value, and the 2nd version is the 
Java-compatible version which uses that default.  The 2nd version could be 
given a doc stub saying it is a version of the method which uses a default 
convergenceTol, but it should not copy the doc.

> GradientDescent$.runMiniBatchSGD 
> ---------------------------------
>
>                 Key: SPARK-9800
>                 URL: https://issues.apache.org/jira/browse/SPARK-9800
>             Project: Spark
>          Issue Type: Documentation
>          Components: MLlib
>            Reporter: Feynman Liang
>            Priority: Minor
>              Labels: starter
>
> GradientDescent$.runMiniBatchSGD currently has two overloads, one of which 
> uses a default convergence tolerance which is not documented.
> It should either use a default argument (rather than overloading) or specify 
> the default convergence tolerance in the method overload's documentation.



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