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Posted to dev@mahout.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2009/12/12 12:29:18 UTC

[jira] Resolved: (MAHOUT-141) Cluster Centroid improperly reported when no points associated w/ the cluster

     [ https://issues.apache.org/jira/browse/MAHOUT-141?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean Owen resolved MAHOUT-141.
------------------------------

    Resolution: Fixed

> Cluster Centroid improperly reported when no points associated w/ the cluster
> -----------------------------------------------------------------------------
>
>                 Key: MAHOUT-141
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-141
>             Project: Mahout
>          Issue Type: Bug
>          Components: Clustering
>    Affects Versions: 0.1
>            Reporter: Grant Ingersoll
>            Assignee: Grant Ingersoll
>            Priority: Minor
>             Fix For: 0.3
>
>
> Per the discussion at http://www.lucidimagination.com/search/document/5d54bb4822354bee/kmeans_help#48571ce2f5014a1f, the Cluster class returns pointTotal as the centroid (center) of a Cluster with zero points, which is not correct.  It should return the Center as the centroid in this case.

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