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Posted to issues@spark.apache.org by "Xiangrui Meng (JIRA)" <ji...@apache.org> on 2014/06/02 20:50:02 UTC
[jira] [Resolved] (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 resolved SPARK-1553.
----------------------------------
Resolution: Implemented
PR: https://github.com/apache/spark/pull/460
> 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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