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https://issues.apache.org/jira/browse/MAHOUT-903?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen updated MAHOUT-903:
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Attachment: MAHOUT-903.patch
Different take: allow stdev output and thus use of weighting
> Slope one doesn't write, read diff counts resulting in no recs
> --------------------------------------------------------------
>
> Key: MAHOUT-903
> URL: https://issues.apache.org/jira/browse/MAHOUT-903
> Project: Mahout
> Issue Type: Bug
> Components: Collaborative Filtering
> Affects Versions: 0.5
> Reporter: Sean Owen
> Assignee: Sean Owen
> Fix For: 0.6
>
> Attachments: MAHOUT-903.patch, MAHOUT-903.patch
>
>
> An astute MiA reader points out that the FileDiffStorage class does not have
> a way to read diff counts, or the number of item-item pairs that resulted in
> the average diff. It is assumed to be 1, which causes it to be pruned
> quickly. The SlopeOneAverageDiffsJob needs to likewise output counts.
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