[
https://issues.apache.org/jira/browse/SPARK-4583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14223950#comment-14223950
]
Apache Spark commented on SPARK-4583:
-------------------------------------
User 'jkbradley' has created a pull request for this issue:
https://github.com/apache/spark/pull/3439
> GradientBoostedTrees error logging should use loss being minimized
> ------------------------------------------------------------------
>
> Key: SPARK-4583
> URL: https://issues.apache.org/jira/browse/SPARK-4583
> Project: Spark
> Issue Type: Improvement
> Components: MLlib
> Affects Versions: 1.2.0
> Reporter: Joseph K. Bradley
> Assignee: Joseph K. Bradley
> Priority: Minor
>
> Currently, the LogLoss used by GradientBoostedTrees has 2 issues:
> * the gradient (and therefore loss) does not match that used by Friedman
> (1999)
> * the error computation uses 0/1 accuracy, not log loss
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org
For additional commands, e-mail: issues-h...@spark.apache.org
