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Posted to issues@spark.apache.org by "Xiangrui Meng (JIRA)" <ji...@apache.org> on 2014/05/16 13:02:07 UTC

[jira] [Updated] (SPARK-1553) Support alternating nonnegative least-squares

     [ https://issues.apache.org/jira/browse/SPARK-1553?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiangrui Meng updated SPARK-1553:
---------------------------------

    Priority: Major  (was: Minor)

> Support alternating nonnegative least-squares
> ---------------------------------------------
>
>                 Key: SPARK-1553
>                 URL: https://issues.apache.org/jira/browse/SPARK-1553
>             Project: Spark
>          Issue Type: Improvement
>          Components: MLlib
>    Affects Versions: 0.9.0
>            Reporter: Tor Myklebust
>            Assignee: Tor Myklebust
>             Fix For: 1.1.0
>
>
> There's already an ALS implementation.  It can be tweaked to support nonnegative least-squares by conditionally running a nonnegative least-squares solve instead of a least-squares solver.



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