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Posted to issues@spark.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2018/11/09 21:41:00 UTC
[jira] [Assigned] (SPARK-24101) MulticlassClassificationEvaluator
should use sample weight data
[ https://issues.apache.org/jira/browse/SPARK-24101?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sean Owen reassigned SPARK-24101:
---------------------------------
Assignee: Ilya Matiach
> MulticlassClassificationEvaluator should use sample weight data
> ---------------------------------------------------------------
>
> Key: SPARK-24101
> URL: https://issues.apache.org/jira/browse/SPARK-24101
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Affects Versions: 2.0.2
> Reporter: Ilya Matiach
> Assignee: Ilya Matiach
> Priority: Major
> Fix For: 3.0.0
>
>
> The LogisticRegression and LinearRegression models support training with a weight column, but the corresponding evaluators do not support computing metrics using those weights. This breaks model selection using CrossValidator.
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