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From Yexi Jiang <yexiji...@gmail.com>
Subject Re: [jira] [Commented] (HAMA-777) FunctionFactory does not work when create IdentityFunction
Date Sat, 13 Jul 2013 01:40:25 GMT
The failure is caused due to the randomness of neural network parameter
initialization.
With very small probability (around 1%), a neural network cannot correctly
learn the weights.


2013/7/12 Hudson (JIRA) <jira@apache.org>

>
>     [
> https://issues.apache.org/jira/browse/HAMA-777?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13707517#comment-13707517]
>
> Hudson commented on HAMA-777:
> -----------------------------
>
> FAILURE: Integrated in Hama-Nightly-for-Hadoop-1.x #971 (See [
> https://builds.apache.org/job/Hama-Nightly-for-Hadoop-1.x/971/])
> HAMA-777: FunctionFactory does not work when create IdentityFunction
> (yxjiang: rev 1502542)
> * /hama/trunk/CHANGES.txt
> * /hama/trunk/ml/src/main/java/org/apache/hama/ml/math/FunctionFactory.java
> *
> /hama/trunk/ml/src/main/java/org/apache/hama/ml/math/IdentityFunction.java
> *
> /hama/trunk/ml/src/test/java/org/apache/hama/ml/math/TestFunctionFactory.java
>
>
> > FunctionFactory does not work when create IdentityFunction
> > ----------------------------------------------------------
> >
> >                 Key: HAMA-777
> >                 URL: https://issues.apache.org/jira/browse/HAMA-777
> >             Project: Hama
> >          Issue Type: Bug
> >          Components: math
> >            Reporter: Yexi Jiang
> >            Assignee: Yexi Jiang
> >            Priority: Minor
> >             Fix For: 0.6.3
> >
> >         Attachments: HAMA-777.patch, HAMA-777.patch
> >
> >
> > FunctionFactory does not work when create IdentityFunction. It will not
> return an instance of IdentityFunction when the input argument is
> 'IdentityFunction'.
> > Add the implementation of IdentityFunction.
>
> --
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>



-- 
------
Yexi Jiang,
ECS 251,  yjian004@cs.fiu.edu
School of Computer and Information Science,
Florida International University
Homepage: http://users.cis.fiu.edu/~yjian004/

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