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https://issues.apache.org/jira/browse/MAHOUT-1255?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dan Filimon resolved MAHOUT-1255.
---------------------------------

       Resolution: Fixed
    Fix Version/s: 0.8
    
> Change BallKMeans weighting to use log(weight)
> ----------------------------------------------
>
>                 Key: MAHOUT-1255
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-1255
>             Project: Mahout
>          Issue Type: Improvement
>    Affects Versions: 0.8
>            Reporter: Dan Filimon
>            Assignee: Dan Filimon
>            Priority: Minor
>             Fix For: 0.8
>
>
> Weirdness is happening in the reducer when doing k-means++ sampling by 
> weights.
> Change from multiplying the probability with the weight to multiplying by 2 * 
> log(weight).

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