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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-651) Create a gradient descent BSP
Date Fri, 12 Oct 2012 23:07:02 GMT

    [ https://issues.apache.org/jira/browse/HAMA-651?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13475416#comment-13475416
] 

Hudson commented on HAMA-651:
-----------------------------

Integrated in Hama-Nightly #704 (See [https://builds.apache.org/job/Hama-Nightly/704/])
    [HAMA-651] - added iterations threshold (Revision 1397550)
[HAMA-651] - fixing examples for gd (Revision 1397539)
[HAMA-651] - fixing log and Strings (Revision 1397538)
[HAMA-651] - renaming gd sample file and adding rat exclusion (Revision 1397532)
[HAMA-651] - adding gradient descent to examples (Revision 1397525)
[HAMA-651] - adding a sample input format for gd, plus adding #set method to VectorWritable
(Revision 1397521)
[HAMA-651] - adjusting defaults a bit, plus fixing input reopenings, theta initialization
and derivatives aggregation (Revision 1397520)
[HAMA-651] - added a couple of TODOs (Revision 1397446)

     Result = SUCCESS
tommaso : 
Files : 
* /hama/trunk/examples/src/main/java/org/apache/hama/examples/GradientDescentExample.java
* /hama/trunk/ml/src/main/java/org/apache/hama/ml/regression/GradientDescentBSP.java

tommaso : 
Files : 
* /hama/trunk/examples/src/main/java/org/apache/hama/examples/GradientDescentExample.java
* /hama/trunk/examples/src/test/java/org/apache/hama/examples/GradientDescentTest.java

tommaso : 
Files : 
* /hama/trunk/ml/src/main/java/org/apache/hama/ml/regression/GradientDescentBSP.java

tommaso : 
Files : 
* /hama/trunk/examples/src/test/resources/gd_file_format.txt
* /hama/trunk/examples/src/test/resources/gd_file_sample.txt
* /hama/trunk/pom.xml

tommaso : 
Files : 
* /hama/trunk/examples/src/main/java/org/apache/hama/examples/GradientDescentExample.java
* /hama/trunk/examples/src/test/java/org/apache/hama/examples/GradientDescentTest.java
* /hama/trunk/examples/src/test/resources
* /hama/trunk/examples/src/test/resources/gd_file_format.txt

tommaso : 
Files : 
* /hama/trunk/ml/src/main/java/org/apache/hama/ml/regression/VectorDoubleFileInputFormat.java
* /hama/trunk/ml/src/main/java/org/apache/hama/ml/writable/VectorWritable.java

tommaso : 
Files : 
* /hama/trunk/ml/src/main/java/org/apache/hama/ml/regression/GradientDescentBSP.java

tommaso : 
Files : 
* /hama/trunk/ml/src/main/java/org/apache/hama/ml/regression/GradientDescentBSP.java

                
> Create a gradient descent BSP
> -----------------------------
>
>                 Key: HAMA-651
>                 URL: https://issues.apache.org/jira/browse/HAMA-651
>             Project: Hama
>          Issue Type: New Feature
>          Components: machine learning
>    Affects Versions: 0.5.0
>            Reporter: Tommaso Teofili
>            Priority: Minor
>             Fix For: 0.6.0
>
>
> A gradient descent (http://en.wikipedia.org/wiki/Gradient_descent) BSP based algorithm
should be implemented.

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