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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/04/29 07:50:06 UTC

[jira] [Commented] (SPARK-7222) Added mathematical derivation in comment to LinearRegression with ElasticNet

    [ https://issues.apache.org/jira/browse/SPARK-7222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14518769#comment-14518769 ] 

Apache Spark commented on SPARK-7222:
-------------------------------------

User 'dbtsai' has created a pull request for this issue:
https://github.com/apache/spark/pull/5767

> Added mathematical derivation in comment to LinearRegression with ElasticNet
> ----------------------------------------------------------------------------
>
>                 Key: SPARK-7222
>                 URL: https://issues.apache.org/jira/browse/SPARK-7222
>             Project: Spark
>          Issue Type: Documentation
>          Components: ML
>            Reporter: DB Tsai
>
> Added detailed mathematical derivation of how scaling and LeastSquaresAggregator work. Also refactored the code. TODO: Add test that fail the test when the correction terms are not correctly computed.



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