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Posted to issues@spark.apache.org by "Joseph K. Bradley (JIRA)" <ji...@apache.org> on 2015/07/03 00:01:04 UTC
[jira] [Resolved] (SPARK-3382) GradientDescent convergence
tolerance
[ https://issues.apache.org/jira/browse/SPARK-3382?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Joseph K. Bradley resolved SPARK-3382.
--------------------------------------
Resolution: Fixed
Fix Version/s: 1.5.0
Issue resolved by pull request 3636
[https://github.com/apache/spark/pull/3636]
> GradientDescent convergence tolerance
> -------------------------------------
>
> Key: SPARK-3382
> URL: https://issues.apache.org/jira/browse/SPARK-3382
> Project: Spark
> Issue Type: Improvement
> Components: MLlib
> Affects Versions: 1.1.0
> Reporter: Joseph K. Bradley
> Priority: Minor
> Fix For: 1.5.0
>
>
> GradientDescent should support a convergence tolerance setting. In general, for optimization, convergence tolerance should be preferred over a limit on the number of iterations since it is a somewhat data-adaptive or data-specific convergence criterion.
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