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From deneche abdelhakim <a_dene...@yahoo.fr>
Subject Re : Breiman example issues
Date Tue, 22 Dec 2009 05:51:01 GMT
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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