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Posted to dev@mahout.apache.org by "Dmitriy Lyubimov (JIRA)" <ji...@apache.org> on 2014/06/17 01:11:02 UTC

[jira] [Created] (MAHOUT-1583) cbind() operator for Scala DRMs

Dmitriy Lyubimov created MAHOUT-1583:
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             Summary: cbind() operator for Scala DRMs
                 Key: MAHOUT-1583
                 URL: https://issues.apache.org/jira/browse/MAHOUT-1583
             Project: Mahout
          Issue Type: Task
            Reporter: Dmitriy Lyubimov
            Assignee: Dmitriy Lyubimov
             Fix For: 1.0


Another R-like operator, cbind (stitching two matrices together). Seems to come up now and then. 

Just like with elementwise operations, and, perhaps some other, it will have two physical implementation paths, one is zip for identically distributed operators, and another one is full join in case they are not.



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