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Posted to issues@spark.apache.org by "Ram Sriharsha (JIRA)" <ji...@apache.org> on 2015/05/22 01:36:17 UTC

[jira] [Commented] (SPARK-7404) Add RegressionEvaluator to spark.ml

    [ https://issues.apache.org/jira/browse/SPARK-7404?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14555285#comment-14555285 ] 

Ram Sriharsha commented on SPARK-7404:
--------------------------------------

sickout learn and R provide a variety of regression metrics
http://scikit-learn.org/stable/modules/model_evaluation.html#regression-metrics

http://artax.karlin.mff.cuni.cz/r-help/library/rminer/html/mmetric.html
R2 score and RMSE seem like natural metrics to make available via the Evaluator.

> Add RegressionEvaluator to spark.ml
> -----------------------------------
>
>                 Key: SPARK-7404
>                 URL: https://issues.apache.org/jira/browse/SPARK-7404
>             Project: Spark
>          Issue Type: New Feature
>          Components: ML
>    Affects Versions: 1.4.0
>            Reporter: Xiangrui Meng
>            Assignee: Ram Sriharsha
>
> This allows users to tune regression models using the pipeline API.



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