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https://issues.apache.org/jira/browse/MAHOUT-1223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13662084#comment-13662084
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Dan Filimon commented on MAHOUT-1223:
-------------------------------------
Patch: https://reviews.apache.org/r/11242/
> Point skipped in StreamingKMeans when iterating through centroids from a
> reducer
> --------------------------------------------------------------------------------
>
> Key: MAHOUT-1223
> URL: https://issues.apache.org/jira/browse/MAHOUT-1223
> Project: Mahout
> Issue Type: Bug
> Components: Clustering
> Affects Versions: 0.8
> Reporter: Dan Filimon
> Priority: Minor
>
> When calling StreamingKMeans in the reducer (to collapse the number of
> clusters to they can fit into memory), the clustering is done on the Hadoop
> reducer iterable.
> Currently, the first Centroid is added directly as a special case and then is
> skipped when iterating through the main loop.
> However, Hadoop reducer iterables cannot be rewound therefore causing SKM to
> skip one point.
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