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https://issues.apache.org/jira/browse/MAHOUT-1583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14033308#comment-14033308
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ASF GitHub Bot commented on MAHOUT-1583:
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GitHub user dlyubimov opened a pull request:
https://github.com/apache/mahout/pull/20
MAHOUT-1583 cbind() operator for Scala DRMs
This is now ready for review
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/dlyubimov/mahout MAHOUT-1583
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/mahout/pull/20.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #20
----
commit d3e905b5a92735822efe717f8b7a57c80bc56478
Author: Dmitriy Lyubimov <[email protected]>
Date: 2014-06-17T01:09:59Z
initial writeup
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> 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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