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https://issues.apache.org/jira/browse/MAHOUT-636?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved MAHOUT-636.
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Resolution: Fixed
> Remove CompactRunningAverage
> ----------------------------
>
> Key: MAHOUT-636
> URL: https://issues.apache.org/jira/browse/MAHOUT-636
> Project: Mahout
> Issue Type: Improvement
> Components: Collaborative Filtering
> Affects Versions: 0.4
> Reporter: Sean Owen
> Assignee: Sean Owen
> Priority: Minor
> Labels: average, difference
> Fix For: 0.5
>
>
> CompactRunningAverage doesn't help on 64-bit machines, and makes little
> difference on 32-bit machines. It's probably not worth keeping going forward.
> Instead, saving memory could be accomplished better through use of parallel
> arrays and such.
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