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Posted to issues@spark.apache.org by "Tor Myklebust (JIRA)" <ji...@apache.org> on 2014/04/21 18:19:14 UTC

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

Tor Myklebust created SPARK-1553:
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             Summary: 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
            Priority: Minor


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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