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Posted to dev@mahout.apache.org by Raphael Cendrillon <ce...@gmail.com> on 2011/12/02 22:04:46 UTC

Re: Review Request: Matrix methods for DistributedRowMatrix

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/2955/
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(Updated 2011-12-02 21:04:46.828990)


Review request for mahout, Ted Dunning, Jake Mannix, and Sebastian Schelter.


Summary
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Jobs for matrix-vector addition, covariance matrix calculation and row average calculation in DistributedRowMatrix


This addresses bug MAHOUT-880.
    https://issues.apache.org/jira/browse/MAHOUT-880


Diffs
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  trunk/core/src/main/java/org/apache/mahout/math/hadoop/DistributedRowMatrix.java 1206431 
  trunk/core/src/main/java/org/apache/mahout/math/hadoop/MatrixMatrixElementwiseJob.java PRE-CREATION 
  trunk/core/src/main/java/org/apache/mahout/math/hadoop/MatrixVectorElementwiseJob.java PRE-CREATION 
  trunk/core/src/main/java/org/apache/mahout/math/hadoop/TimesSelfJob.java PRE-CREATION 
  trunk/core/src/test/java/org/apache/mahout/math/hadoop/TestDistributedRowMatrix.java 1206431 

Diff: https://reviews.apache.org/r/2955/diff


Testing
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Junit tests for each job


Thanks,

Raphael

Re: Review Request: Matrix methods for DistributedRowMatrix

Posted by Raphael Cendrillon <ce...@gmail.com>.
-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/2955/
-----------------------------------------------------------

(Updated 2011-12-06 00:26:13.113561)


Review request for mahout, Ted Dunning, Jake Mannix, and Sebastian Schelter.


Changes
-------

Added jobs for calculating column-wise row average of a DistributedRowMatrix


Summary
-------

Jobs for matrix-vector addition, covariance matrix calculation and row average calculation in DistributedRowMatrix


This addresses bug MAHOUT-880.
    https://issues.apache.org/jira/browse/MAHOUT-880


Diffs (updated)
-----

  trunk/core/src/main/java/org/apache/mahout/math/hadoop/DistributedRowMatrix.java 1210678 
  trunk/core/src/main/java/org/apache/mahout/math/hadoop/MatrixMatrixElementwiseJob.java PRE-CREATION 
  trunk/core/src/main/java/org/apache/mahout/math/hadoop/MatrixRowMRJob.java PRE-CREATION 
  trunk/core/src/main/java/org/apache/mahout/math/hadoop/MatrixVectorElementwiseJob.java PRE-CREATION 
  trunk/core/src/main/java/org/apache/mahout/math/hadoop/TimesSelfJob.java PRE-CREATION 
  trunk/core/src/test/java/org/apache/mahout/math/hadoop/TestDistributedRowMatrix.java 1210678 

Diff: https://reviews.apache.org/r/2955/diff


Testing
-------

Junit tests for each job


Thanks,

Raphael