[
https://issues.apache.org/jira/browse/SPARK-4583?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Xiangrui Meng reopened SPARK-4583:
----------------------------------
> 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: [email protected]
For additional commands, e-mail: [email protected]
