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Posted to dev@mahout.apache.org by "Suneel Marthi (JIRA)" <ji...@apache.org> on 2013/12/15 07:17:07 UTC

[jira] [Created] (MAHOUT-1379) ClusterQualitySummarizer fails with the new T-Digest for clusters with 1 data point

Suneel Marthi created MAHOUT-1379:
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             Summary: ClusterQualitySummarizer fails with the new T-Digest for clusters with 1 data point
                 Key: MAHOUT-1379
                 URL: https://issues.apache.org/jira/browse/MAHOUT-1379
             Project: Mahout
          Issue Type: Bug
          Components: Examples
    Affects Versions: 0.8
            Reporter: Suneel Marthi
            Assignee: Suneel Marthi
            Priority: Minor
             Fix For: 0.9


ClusterQualitySummarizer (with the new t-digest) fails if a cluster has only a single data point. The issue is the call to OnlineSummarizer.getMax() expects > 1 point to be available in the cluster.



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