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https://issues.apache.org/jira/browse/MAHOUT-1086?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ted Dunning updated MAHOUT-1086:
--------------------------------
Attachment: 0001-MAHOUT-1086-Deal-with-round-off-errors-in-computing-.patch
Here is a patch that deals with the issue as well as related issues. It
includes many new tests and increases coverage generally.
> Mean Shift Test Now Produces 4 Clusters
> ---------------------------------------
>
> Key: MAHOUT-1086
> URL: https://issues.apache.org/jira/browse/MAHOUT-1086
> Project: Mahout
> Issue Type: Bug
> Components: Clustering
> Affects Versions: 0.7
> Reporter: Jeff Eastman
> Attachments:
> 0001-MAHOUT-1086-Deal-with-round-off-errors-in-computing-.patch,
> 0001-MAHOUT-1086-Deal-with-round-off-errors-in-computing-.patch
>
>
> Something changed in Mahout around 9/6/12 that caused
> TestMeanShift.testCanopyEuclideanMRJobNoClustering to return 4 clusters
> rather than 3. All of the other tests using the same data still return 3
> clusters. No changes were made to any of the MeanShiftCanopy classes other
> than 1 formatting change to the driver so I'm at a loss to the cause.
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