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https://issues.apache.org/jira/browse/MAHOUT-1157?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13598687#comment-13598687
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Hudson commented on MAHOUT-1157:
--------------------------------
Integrated in Mahout-Quality #1893 (See
[https://builds.apache.org/job/Mahout-Quality/1893/])
MAHOUT-1157 AbstractCluster.formatVector iteration bug (Revision 1455074)
Result = SUCCESS
ssc : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1455074
Files :
*
/mahout/trunk/core/src/main/java/org/apache/mahout/clustering/AbstractCluster.java
> 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
> 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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