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https://issues.apache.org/jira/browse/MAHOUT-643?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13014879#comment-13014879
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Ted Dunning commented on MAHOUT-643:
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Manhattan distance = city block distances = L_1
Chebyshev distance = L_inf
> Adding CityBlockSimilarity and DistributedCityBlockDistanceVectorSimilarity
> ---------------------------------------------------------------------------
>
> Key: MAHOUT-643
> URL: https://issues.apache.org/jira/browse/MAHOUT-643
> Project: Mahout
> Issue Type: Improvement
> Components: Clustering, Math
> Affects Versions: 0.5
> Reporter: Daniel McEnnis
> Assignee: Sean Owen
> Priority: Minor
> Labels: distance, patch, similarity
> Fix For: 0.5
>
> Attachments: MAHOUT-643-2.patch, MAHOUT-643.patch, patch4.txt
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> adding a new distance metric to the 0.5 branch
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