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From JAGANADH G <jagana...@gmail.com>
Subject Re: FW: classification example doubts
Date Mon, 06 Dec 2010 17:03:40 GMT
On Mon, Dec 6, 2010 at 7:42 PM, Frank Wang <wangfanjie@gmail.com> wrote:

> I'm seeing this problem on Ubuntu as well.
>
> *Issue 1:*
> Test result is all 0's.
> http://pastebin.com/CicVMpST
>
> The steps are:
> 1. Train:
> $MAHOUT_HOME/bin/mahout testclassifier   -m newsmodel   -d 20news-input
> -type bayes   -ng 1   -source hdfs   -method sequential
>
> 2. Test
> $MAHOUT_HOME/bin/mahout trainclassifier   -i 20news-input   -o newsmodel
> -type bayes   -ng 1   -source hdfs
>
> The output are all 0's.
>
> *Issue 2:*
> Also, when I do
> "bin/mahout trainclassifier
> -i examples/bin/work/20news-bydate/bayes-train-input
> -o examples/bin/work/20news-bydate/bayes-model"
>
> I get the error
> "Exception in thread "main" org.apache.hadoop.mapred.InvalidInputException:
> Input path does not exist:
>
> hdfs://localhost:9000/user/root/examples/bin/work/20news-bydate/bayes-train-input"
>
> I digged into the code, it seems that trainclassifier only accepts HDFS or
> HBASE, is there a way to read file directly from a directory?
>
>
>


I did my experiment in Fedora 13 and 14 . It didnt showed any such issues. I
got expected results
-- 
**********************************
JAGANADH G
http://jaganadhg.freeflux.net/blog

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