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From "Karan Jindal" <karan_jin...@students.iiit.ac.in>
Subject Re: Reg: Building Decision Forest using Mahout 0.3
Date Mon, 07 Jun 2010 04:03:47 GMT
Hi deneche abdelhakim,

If I want to implement a new input format for the random forest say which
take sparse matrix as a input, How should I proceed in that direction?

Any ideas??

Regards
Karan



> yes thats the documentation for Mahout's Decision Forests, but as Ted
> noted before, you'll need to checkout the latest version of the trunk.
>
> Please note that it's still a work in progress, I would appreciate your
> feedback and suggestions. Feel free to ask questions in this mailing list
>
> --- En date de : Lun 31.5.10, Karan Jindal
> <karan_jindal@students.iiit.ac.in> a écrit :
>
>> De: Karan Jindal <karan_jindal@students.iiit.ac.in>
>> Objet: Re: Reg: Building Decision Forest using Mahout 0.3
>> À: user@mahout.apache.org
>> Date: Lundi 31 mai 2010, 13h51
>> Hi Ted,
>>
>> Thanks for the advice of using the latest version of
>> mahout.
>> It worked for me :) .
>>
>> And also I followed this link
>> https://cwiki.apache.org/confluence/display/MAHOUT/Partial+Implementation
>> for running the mahout.
>>
>>
>>
>> > Mahout supports the construction of Random Forests
>> which are a form of
>> > decision forest.
>> >
>> > It would be much easier for you to get started if you
>> could upgrade to the
>> > current latest development version.  Version 0.3
>> is the latest stable
>> > version, but lots of stuff has changed for the better
>> since 0.3.
>> >
>> > In any case, the class that you are looking for is
>> > org.apache.mahout.df.mapred.BuildForest.
>> >
>> > On Sun, May 30, 2010 at 10:08 PM, Karan Jindal <
>> > karan_jindal@students.iiit.ac.in>
>> wrote:
>> >
>> >>
>> >> Hi all,
>> >>
>> >> I had installed the latest version of mahout i.e.
>> 0.3.
>> >> I want to build a decision forest, but didn't find
>> any documentation
>> >> which
>> >> guides to me to so.
>> >>
>> >> Can anyone tell me where to find such documentaion
>> which will tell about
>> >> how to run mahout on hadoop and also various
>> command line options for
>> >> Building Decision Tree?
>> >>
>> >> Regards
>> >> Karan
>> >>
>> >
>>
>>
>
>
>
>
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