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From deneche abdelhakim <a_dene...@yahoo.fr>
Subject Re : Breiman example issues
Date Tue, 22 Dec 2009 09:12:15 GMT
I (hopefully) fixed the problem, get the latest trunk and try again.

thanks again for the report

Deneche
--- En date de : Mar 22.12.09, deneche abdelhakim <a_deneche@yahoo.fr> a écrit :

> De: deneche abdelhakim <a_deneche@yahoo.fr>
> Objet: Re : Breiman example issues
> À: mahout-user@lucene.apache.org
> Date: Mardi 22 Décembre 2009, 6h51
> Hi Roshan,
> 
> just tried the example with the latest trunk and had the
> same problem. I'm investigating the problem right now. Thank
> you for reporting this issue
> 
> Deneche
> 
> --- En date de : Mar 22.12.09, Roshan A. Punnoose <rpunnoose@proteuseng.com>
> a écrit :
> 
> > De: Roshan A. Punnoose <rpunnoose@proteuseng.com>
> > Objet: Breiman example issues
> > À: "mahout-user@lucene.apache.org"
> <mahout-user@lucene.apache.org>
> > Date: Mardi 22 Décembre 2009, 2h01
> > Hi,
> > 
> > I am trying to run the Breiman decision tree at http://cwiki.apache.org/MAHOUT/breiman-example.html
> > with the glass data, but I keep getting this error
> when I
> > actually run the Breiman example:
> > 
> > Exception in thread "main"
> > java.lang.IllegalArgumentException: labels.length !=
> > predictions.length
> >         at
> >
> org.apache.mahout.df.ErrorEstimate.errorRate(ErrorEstimate.java:29)
> >         at
> >
> org.apache.mahout.df.BreimanExample.runIteration(BreimanExample.java:108)
> >         at
> >
> org.apache.mahout.df.BreimanExample.run(BreimanExample.java:214)
> >         at
> >
> org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
> >         at
> >
> org.apache.mahout.df.BreimanExample.main(BreimanExample.java:143)
> >         at
> > sun.reflect.NativeMethodAccessorImpl.invoke0(Native
> Method)
> >         at
> >
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> >         at
> >
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >         at
> > java.lang.reflect.Method.invoke(Method.java:597)
> >         at
> > org.apache.hadoop.util.RunJar.main(RunJar.java:156)
> > 
> > 
> > I believe I’m at the latest trunk since a week ago.
> > 
> > Roshan
> > 
> 
> 
> 
> 


      

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