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Posted to issues@spark.apache.org by "Xiangrui Meng (JIRA)" <ji...@apache.org> on 2014/05/15 00:12:08 UTC

[jira] [Commented] (SPARK-1696) RowMatrix.dspr is not using parameter alpha for DenseVector

    [ https://issues.apache.org/jira/browse/SPARK-1696?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13998127#comment-13998127 ] 

Xiangrui Meng commented on SPARK-1696:
--------------------------------------

Thanks! I sent a PR: https://github.com/apache/spark/pull/778

> RowMatrix.dspr is not using parameter alpha for DenseVector
> -----------------------------------------------------------
>
>                 Key: SPARK-1696
>                 URL: https://issues.apache.org/jira/browse/SPARK-1696
>             Project: Spark
>          Issue Type: Bug
>          Components: MLlib
>            Reporter: Anish Patel
>            Assignee: Xiangrui Meng
>            Priority: Minor
>
> In the master branch, method dspr of RowMatrix takes parameter alpha, but does not use it when given a DenseVector.
> This probably slid by because when method computeGramianMatrix calls dspr, it provides an alpha value of 1.0.



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