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https://issues.apache.org/jira/browse/MAHOUT-1313?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stevo Slavic updated MAHOUT-1313:
---------------------------------
Affects Version/s: (was: 0.9)
0.8
Fix Version/s: 0.9
Assignee: Stevo Slavic (was: Sean Owen)
> RowSimilarityJob, sampleDown method problem
> -------------------------------------------
>
> Key: MAHOUT-1313
> URL: https://issues.apache.org/jira/browse/MAHOUT-1313
> Project: Mahout
> Issue Type: Bug
> Components: Collaborative Filtering
> Affects Versions: 0.8
> Reporter: sam wu
> Assignee: Stevo Slavic
> Priority: Minor
> Fix For: 0.9
>
>
> RowSimilarityJob.java , sampleDown method
> ----line 291 or 300
> double rowSampleRate = Math.min(maxObservationsPerRow, observationsPerRow) /
> observationsPerRow;
> currently always return either 0.0 or 1.0.
> Should return true double, eg: 0.34,...
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