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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAHOUT-1379) ClusterQualitySummarizer fails with the new T-Digest for clusters with 1 data point
Date Sun, 15 Dec 2013 08:42:07 GMT

    [ https://issues.apache.org/jira/browse/MAHOUT-1379?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13848562#comment-13848562
] 

Hudson commented on MAHOUT-1379:
--------------------------------

SUCCESS: Integrated in Mahout-Quality #2364 (See [https://builds.apache.org/job/Mahout-Quality/2364/])
MAHOUT-1379: ClusterQualitySummarizer fails with the new T-Digest for clusters with 1 data
point (smarthi: rev 1551004)
* /mahout/trunk/CHANGELOG
* /mahout/trunk/examples/src/main/java/org/apache/mahout/clustering/streaming/tools/ClusterQualitySummarizer.java


> 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
>
>         Attachments: MAHOUT-1379.patch
>
>
> ClusterQualitySummarizer (with the new t-digest) fails if a cluster has only a single
data point. The issue is the call to OnlineSummarizer.getQuartile() expects > 1 point to
be available in the cluster.



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