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https://issues.apache.org/jira/browse/MAHOUT-1157?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Suneel Marthi updated MAHOUT-1157:
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Fix Version/s: 0.8
> AbstractCluster.formatVector iteration bug.
> -------------------------------------------
>
> Key: MAHOUT-1157
> URL: https://issues.apache.org/jira/browse/MAHOUT-1157
> Project: Mahout
> Issue Type: Bug
> Components: Clustering
> Affects Versions: 0.7
> Reporter: Adam Bozanich
> Fix For: 0.8
>
> Attachments: mahout.patch
>
>
> AbstractCluster.formatVector's use of the size field of the given vector
> causes problems when the vector is sparse.
> I clustered a handful of vectors which had been initialized with a
> cardinality of Integer.MAX_VALUE. Running seqdump on the resulting
> clusteredPoints took over four minutes. This is because formatVector() was
> iterating over the entire integer space for every vector.
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