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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/05/21 04:23:21 UTC
[jira] [Updated] (SPARK-8534) Gini for regression metrics and
evaluator
[ https://issues.apache.org/jira/browse/SPARK-8534?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hyukjin Kwon updated SPARK-8534:
--------------------------------
Labels: bulk-closed (was: )
> Gini for regression metrics and evaluator
> -----------------------------------------
>
> Key: SPARK-8534
> URL: https://issues.apache.org/jira/browse/SPARK-8534
> Project: Spark
> Issue Type: New Feature
> Components: ML, MLlib
> Reporter: Joseph K. Bradley
> Priority: Minor
> Labels: bulk-closed
>
> One common metric we do not have in RegressionMetrics or RegressionEvaluator is Gini: [https://www.kaggle.com/wiki/Gini]
> Implementing (normalized) Gini would be nice. However, it might be expensive; I believe it would require sorting the labels.
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