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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (MAHOUT-1464) Cooccurrence Analysis on Spark
Date Mon, 02 Jun 2014 22:59:02 GMT


ASF GitHub Bot commented on MAHOUT-1464:

GitHub user dlyubimov reopened a pull request:

    MAHOUT-1464 Cooccurrence Analysis on Spark

    Grabbed Pat's branch. submitting as PR (WIP at this point). 

You can merge this pull request into a Git repository by running:

    $ git pull MAHOUT-1464

Alternatively you can review and apply these changes as the patch at:

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #8
commit 70654fa58dd4b801c551429945fa2f1377a60b2e
Author: pferrel <>
Date:   2014-06-02T21:11:55Z

    starting to merge the cooccurrence stuff, import errors

commit fc5fb6ac37e4c12d25c35ddb7912a32aac06e449
Author: pferrel <>
Date:   2014-06-02T21:33:45Z

    tried changing the imports in CooccurrenceAnalysis.scala to no avail

commit 242aed0e0921afe9a87ee8973ba8077cbe65fffa
Author: Dmitriy Lyubimov <>
Date:   2014-06-02T22:42:57Z

    Compilation fixes, updates for MAHOUT-1529 changes


> Cooccurrence Analysis on Spark
> ------------------------------
>                 Key: MAHOUT-1464
>                 URL:
>             Project: Mahout
>          Issue Type: Improvement
>          Components: Collaborative Filtering
>         Environment: hadoop, spark
>            Reporter: Pat Ferrel
>            Assignee: Sebastian Schelter
>             Fix For: 1.0
>         Attachments: MAHOUT-1464.patch, MAHOUT-1464.patch, MAHOUT-1464.patch, MAHOUT-1464.patch,
MAHOUT-1464.patch, MAHOUT-1464.patch,
> Create a version of Cooccurrence Analysis (RowSimilarityJob with LLR) that runs on Spark.
This should be compatible with Mahout Spark DRM DSL so a DRM can be used as input. 
> Ideally this would extend to cover MAHOUT-1422. This cross-cooccurrence has several applications
including cross-action recommendations. 

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