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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-821) K-Means writes only k records as a output
Date Tue, 26 Nov 2013 11:17:36 GMT

    [ https://issues.apache.org/jira/browse/HAMA-821?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13832493#comment-13832493
] 

Hudson commented on HAMA-821:
-----------------------------

SUCCESS: Integrated in Hama-Nightly-for-Hadoop-1.x #1106 (See [https://builds.apache.org/job/Hama-Nightly-for-Hadoop-1.x/1106/])
HAMA-821: Fix bugs in KMeans example and make output more readable (edwardyoon: rev 1545568)
* /hama/trunk/CHANGES.txt
* /hama/trunk/examples/src/main/java/org/apache/hama/examples/Kmeans.java
* /hama/trunk/ml/src/main/java/org/apache/hama/ml/kmeans/KMeansBSP.java
* /hama/trunk/ml/src/test/java/org/apache/hama/ml/kmeans/TestKMeansBSP.java


> K-Means writes only k records as a output
> -----------------------------------------
>
>                 Key: HAMA-821
>                 URL: https://issues.apache.org/jira/browse/HAMA-821
>             Project: Hama
>          Issue Type: Bug
>          Components: machine learning
>            Reporter: Edward J. Yoon
>            Assignee: Edward J. Yoon
>             Fix For: 0.7.0
>
>         Attachments: HAMA-821.patch
>
>
> KMeans writes only k records, because 276 line at KMeansBSP overwrites the value for
the key. I'm sure it was not intended..
> And, many people ask me about meaning of input and output of KMeans. We need to make
K-Means example output lines more readable like,
> {code}
> 13/11/25 17:34:04 INFO kmeans.KMeansBSP: Finished! Writing the results...
> [5.1, 3.5, 1.4, 0.2] belongs to cluster 2
> [4.9, 3.0, 1.4, 0.2] belongs to cluster 2
> [4.7, 3.2, 1.3, 0.2] belongs to cluster 2
> [4.6, 3.1, 1.5, 0.2] belongs to cluster 2
> [5.0, 3.6, 1.4, 0.2] belongs to cluster 2
> ....
> {code}



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