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Posted to issues@spark.apache.org by "Xiangrui Meng (JIRA)" <ji...@apache.org> on 2015/03/17 20:12:38 UTC

[jira] [Updated] (SPARK-6336) LBFGS should document what convergenceTol means

     [ https://issues.apache.org/jira/browse/SPARK-6336?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiangrui Meng updated SPARK-6336:
---------------------------------
    Fix Version/s:     (was: 1.3.0)
                   1.3.1
                   1.4.0

> LBFGS should document what convergenceTol means
> -----------------------------------------------
>
>                 Key: SPARK-6336
>                 URL: https://issues.apache.org/jira/browse/SPARK-6336
>             Project: Spark
>          Issue Type: Documentation
>          Components: Documentation, MLlib
>    Affects Versions: 1.3.0
>            Reporter: Joseph K. Bradley
>            Priority: Trivial
>             Fix For: 1.4.0, 1.3.1
>
>
> LBFGS uses Breeze's LBFGS, which uses relative convergence tolerance.  We should document that convergenceTol is relative and ensure in a unit test that this behavior does not change in Breeze without us realizing it.



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