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Hudson commented on MAHOUT-1130: -------------------------------- Integrated in Mahout-Quality #1899 (See [https://builds.apache.org/job/Mahout-Quality/1899/]) MAHOUT-1130 Wrong logic in org.apache.mahout.clustering.kmeans.RandomSeedGenerator (Revision 1455420) Result = SUCCESS ssc : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1455420 Files : * /mahout/trunk/core/src/main/java/org/apache/mahout/clustering/kmeans/RandomSeedGenerator.java > Wrong logic in org.apache.mahout.clustering.kmeans.RandomSeedGenerator > ---------------------------------------------------------------------- > > Key: MAHOUT-1130 > URL: https://issues.apache.org/jira/browse/MAHOUT-1130 > Project: Mahout > Issue Type: Bug > Environment: mahout 0.7 from maven central > Reporter: Andrey Davydov > Assignee: Sebastian Schelter > Attachments: MAHOUT-1130.patch > > > There is following code in line 101: > } else if (random.nextInt(currentSize + 1) != 0) { // with > chance 1/(currentSize+1) pick new element > but it actually means pick new element with chance currentSize/(currentSize+1) > so generator takes initial centers from the end of source data file. > It seems that chance of replace vector in output set should decrease with > number of processed input vectors -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira