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From Max Bridgewater <max.bridgewa...@gmail.com>
Subject Mahout in Action with Mahout 0.7
Date Sun, 14 Apr 2013 18:12:54 GMT
Hi Folks,

I am learning Mahout using  "Mahout in Action". The problem: it is not
based on the current version of Mahout. Question: Are there instructions on
how do to certain things that are illustrated in the book using Mahout 0.7?

For instance, the following command does not seem to work with Mahout 0.7.


Command: bin/hadoop jar
/mnt/ebs2/programs/mahout-0.7/mahout-core-0.7-job.jar
org.apache.mahout.cf.taste.hadoop.item.RecommenderJob
-Dmapred.input.dir=input/input.txt   -Dmapred.output.dir=output --usersFile
input/users.txt --booleanData --similarityClassname
SIMILARITY_EUCLIDEAN_DISTANCE

Error:  File does not exist:
/user/root/temp/preparePreferenceMatrix/numUsers.bin

Thanks a lot.
Max.

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