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https://issues.apache.org/jira/browse/MAHOUT-1757?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dmitriy Lyubimov reassigned MAHOUT-1757:
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Assignee: Suneel Marthi
> Small fix in spca formula
> -------------------------
>
> Key: MAHOUT-1757
> URL: https://issues.apache.org/jira/browse/MAHOUT-1757
> Project: Mahout
> Issue Type: Improvement
> Reporter: Dmitriy Lyubimov
> Assignee: Suneel Marthi
> Fix For: 0.10.2
>
>
> there's small error in the spca, Y correction inside power iterations should
> really be -(s_b-xi'xi*s_b). It doesn't seem to affect much the result but
> this is a small error (~7-th-8th digit after dot) it introduces when power
> iterations are used.
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