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https://issues.apache.org/jira/browse/MAHOUT-723?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen updated MAHOUT-723:
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Resolution: Fixed
Assignee: Sean Owen
Status: Resolved (was: Patch Available)
Nice one, committed
> Incorrect handling of NUM_CLUSTERS_OPTION in FuzzyKMeansDriver class
> --------------------------------------------------------------------
>
> Key: MAHOUT-723
> URL: https://issues.apache.org/jira/browse/MAHOUT-723
> Project: Mahout
> Issue Type: Bug
> Components: Clustering
> Affects Versions: 0.5, 0.6
> Environment: Mac OS X 10.6.7, Mahout 0.5/trunk
> Reporter: Alex Ott
> Assignee: Sean Owen
> Fix For: 0.6
>
> Attachments:
> 0001-fix-for-MAHOUT-723-bug-checked-with-0.5-version.patch
>
>
> the NUM_CLUSTERS_OPTION isn't handled correctly in the FuzzyKMeansDriver, so
> it leads to NPE when running fuzzy k-means clustering through command-line
> tool with following command:
> bin/mahout fkmeans -i reuters-vectors/tfidf-vectors/ -c
> reuters-fkmeans-centroids -o reuters-fkmeans-clusters -dm
> org.apache.mahout.common.distance.SquaredEuclideanDistanceMeasure -x 10 -cl
> -k 21 -cd 1.0 -m 3 -ow
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