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Posted to dev@mahout.apache.org by "Alex Ott (JIRA)" <ji...@apache.org> on 2011/06/05 16:10:47 UTC
[jira] [Updated] (MAHOUT-723) Incorrect handling of
NUM_CLUSTERS_OPTION in FuzzyKMeansDriver class
[ https://issues.apache.org/jira/browse/MAHOUT-723?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alex Ott updated MAHOUT-723:
----------------------------
Description:
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
was: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
> 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
> 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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