[ 
https://issues.apache.org/jira/browse/MAHOUT-1541?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14037628#comment-14037628
 ] 

ASF GitHub Bot commented on MAHOUT-1541:
----------------------------------------

GitHub user pferrel opened a pull request:

    https://github.com/apache/mahout/pull/22

    MAHOUT-1541

    Not ready for merge, just looking for a checkpoint review. The code works 
and I'm reasonable happy with it. It needs review for:
    * Design: will it be flexible, are there better ways to organize the code?
    * Scala usage: I'm pretty new to Scala. 
    * Package structure: no clue here so its all in "drivers"
    
    Please don't take the tests too seriously and some things are not 
implemented. I'd like a once over before I do a bunch of test cases and finish 
polishing up.
    
    This will close three tickets when complete. MAHOUT-1541, MAHOUT-1568, and 
MAHOUT-1569

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

    $ git pull https://github.com/pferrel/mahout mahout-1541

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

    https://github.com/apache/mahout/pull/22.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 #22
    
----
commit 107a0ba9605241653a85b113661a8fa5c055529f
Author: pferrel <[email protected]>
Date:   2014-06-04T19:54:22Z

    added Sebastian's CooccurrenceAnalysis patch updated it to use current 
Mahout-DSL

commit 74b9921c4c9bd8903585bbd74d9e66298ea8b7a0
Author: pferrel <[email protected]>
Date:   2014-06-04T20:09:07Z

    Adding stuff for itemsimilarity driver for Spark

commit a59265931ed3a51ba81e1a0a7171ebb102be4fa4
Author: pferrel <[email protected]>
Date:   2014-06-04T20:13:13Z

    added scopt to pom deps

commit 16c03f7fa73c156859d1dba3a333ef9e8bf922b0
Author: pferrel <[email protected]>
Date:   2014-06-04T21:32:18Z

    added Sebastian's MurmurHash changes
    
    Signed-off-by: pferrel <[email protected]>

commit 8a4b4347ddb7b9ac97590aa20189d89d8a07a80a
Author: pferrel <[email protected]>
Date:   2014-06-04T21:33:11Z

    Merge branch 'mahout-1464' into mahout-1541

commit 2f87f5433f90fa2c49ef386ca245943e1fc73beb
Author: pferrel <[email protected]>
Date:   2014-06-05T01:44:16Z

    MAHOUT-1541 still working on this, some refactoring in the DSL for 
abstracting away Spark has moved access to rddsno Jira is closed yet

commit c6adaa44c80bba99d41600e260bbb1ad5c972e69
Author: pferrel <[email protected]>
Date:   2014-06-05T16:52:23Z

    MAHOUT-1464 import cleanup, minor changes to examples for running on Spark 
Cluster

commit 2caceab31703ed214c1e66d5fc63b8bdb05d37a3
Author: pferrel <[email protected]>
Date:   2014-06-05T16:55:09Z

    Merge branch 'mahout-1464' into mahout-1541

commit 6df6a54e3ff174d39bd817caf7d16c2d362be3f8
Author: pferrel <[email protected]>
Date:   2014-06-07T20:39:25Z

    Merge branch 'master' into mahout-1541

commit a2f84dea3f32d3df3e98c61f085bc1fabd453551
Author: pferrel <[email protected]>
Date:   2014-06-07T21:27:06Z

    drmWrap seems to be the answer to the changed DrmLike interface. Code works 
again but more to do.

commit d3a2ba5027436d0abef67a1a5e82557064f4ba49
Author: pferrel <[email protected]>
Date:   2014-06-17T16:00:38Z

    merged master, got new cooccurrence code

commit 4b2fb07b21a8ac2d532ee51b65b27d1482293cb0
Author: pferrel <[email protected]>
Date:   2014-06-19T17:08:02Z

    for high level review, not ready for merge

commit 996ccfb82a8ed3ff90f51968e661b2449f3c4759
Author: pferrel <[email protected]>
Date:   2014-06-19T17:46:23Z

    for high level review, not ready for merge. changed to dot notation

commit f62ab071869ee205ad398a3e094d871138e11a9e
Author: pferrel <[email protected]>
Date:   2014-06-19T18:13:44Z

    for high level review, not ready for merge. fixed a couple scaladoc refs

----


> Create CLI Driver for Spark Cooccurrence Analysis
> -------------------------------------------------
>
>                 Key: MAHOUT-1541
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-1541
>             Project: Mahout
>          Issue Type: Bug
>          Components: CLI
>            Reporter: Pat Ferrel
>            Assignee: Pat Ferrel
>
> Create a CLI driver to import data in a flexible manner, create an 
> IndexedDataset with BiMap ID translation dictionaries, call the Spark 
> CooccurrenceAnalysis with the appropriate params, then write output with 
> external IDs optionally reattached.
> Ultimately it should be able to read input as the legacy mr does but will 
> support reading externally defined IDs and flexible formats. Output will be 
> of the legacy format or text files of the user's specification with 
> reattached Item IDs. 
> Support for legacy formats is a question, users can always use the legacy 
> code if they want this. Internal to the IndexedDataset is a Spark DRM so 
> pipelining can be accomplished without any writing to an actual file so the 
> legacy sequence file output may not be needed.
> Opinions?



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