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https://issues.apache.org/jira/browse/MAHOUT-902?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen updated MAHOUT-902:
-----------------------------
Resolution: Fixed
Fix Version/s: 0.6
Assignee: Sean Owen
Status: Resolved (was: Patch Available)
Tests pass, and this looks like a good fix, and no controversy, and has a patch
from the interested party, so I just committed.
> TanimotoCoefficientSimilarity should return Double.NaN for two items that
> have zero overlap
> -------------------------------------------------------------------------------------------
>
> Key: MAHOUT-902
> URL: https://issues.apache.org/jira/browse/MAHOUT-902
> Project: Mahout
> Issue Type: Improvement
> Components: Collaborative Filtering
> Affects Versions: 0.6
> Reporter: Sebastian Schelter
> Assignee: Sean Owen
> Labels: MAHOUT_INTRO_CONTRIBUTE
> Fix For: 0.6
>
> Attachments: MAHOUT-902.patch
>
>
> org.apache.mahout.cf.taste.impl.similarity.TanimotoCoefficientSimilarity
> should return Double.NaN for two items that have zero overlap. Please also
> provide a unit-test for this.
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