[jira] [Resolved] (MAHOUT-1086) Mean Shift Test Now Produces 4 Clusters

["Ted Dunning (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAHOUT-1086?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ted Dunning resolved MAHOUT-1086.
---------------------------------

       Resolution: Fixed
    Fix Version/s: 0.8

Committed this patch.  This will set up MAHOUT-1091 for committing.

                
> 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
>             Fix For: 0.8
>
>         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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