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From "Rajpal, Harjeet Kumar" <>
Subject RE: Mahout on Hadoop
Date Tue, 08 Dec 2009 11:32:41 GMT
Yes, I did that. Its working now. Sorry for inconvenience. 
Thanks for your help. Even though questions were stupid, still you were
very helpful.

-----Original Message-----
From: Sean Owen [] 
Sent: Tuesday, December 08, 2009 2:50 PM
Subject: Re: Mahout on Hadoop

Harjeet I think you need to read the documentation of the code, of the
data you're using and of Hadoop. I think many of the questions you are
asking are answerable from those resources.

The userIdFile is not your ratings file. It is a file full of user IDs
to recommend for.

On Tue, Dec 8, 2009 at 7:05 AM, Rajpal, Harjeet Kumar
<> wrote:
> I just read the code in Recommender and saw that userIdfile path is
> given as input to mapred.input.dir. if I only give --userIdFile
> instead of --userIdFile /input/users.dat. then it still gives number
> format error.

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