[ https://issues.apache.org/jira/browse/SPARK-8468?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Joseph K. Bradley resolved SPARK-8468. -------------------------------------- Resolution: Fixed Fix Version/s: 1.4.1 1.5.0 Issue resolved by pull request 6905 [https://github.com/apache/spark/pull/6905] > Cross-validation with RegressionEvaluator prefers higher RMSE > ------------------------------------------------------------- > > Key: SPARK-8468 > URL: https://issues.apache.org/jira/browse/SPARK-8468 > Project: Spark > Issue Type: Bug > Components: ML > Affects Versions: 1.4.0 > Reporter: Chelsea Zhang > Assignee: Liang-Chi Hsieh > Priority: Blocker > Fix For: 1.5.0, 1.4.1 > > > Please correct me if I'm wrong, but RegressionEvaluator seems to implement > the evaluate() method backwards. The interface expects higher return values > from evaluate() to indicate better models. RegressionEvaluator returns RMSE > by default - a value we should try to minimize. -- 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