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Posted to issues@ignite.apache.org by "Alexey Zinoviev (Jira)" <ji...@apache.org> on 2020/10/06 08:54:00 UTC
[jira] [Commented] (IGNITE-13386) [ML] Add more distances between
two Vectors (Part 2)
[ https://issues.apache.org/jira/browse/IGNITE-13386?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17208580#comment-17208580 ]
Alexey Zinoviev commented on IGNITE-13386:
------------------------------------------
[~mrkandreev] please move to patch available
> [ML] Add more distances between two Vectors (Part 2)
> ----------------------------------------------------
>
> Key: IGNITE-13386
> URL: https://issues.apache.org/jira/browse/IGNITE-13386
> Project: Ignite
> Issue Type: Sub-task
> Components: ml
> Reporter: Alexey Zinoviev
> Assignee: Mark Andreev
> Priority: Minor
> Fix For: 2.10
>
> Time Spent: 2h 10m
> Remaining Estimate: 0h
>
> Mark suggested to add more distances, below his letter about topic
> [http://apache-ignite-developers.2346864.n4.nabble.com/First-contribute-to-Ignite-ML-td48950.html]
> "Currently, Ignite supports only these distances
> (org.apache.ignite.ml.math.distances) :
> - ChebyshevDistance
> - CosineSimilarity
> - EuclideanDistance
> - HammingDistance
> - JaccardIndex
> - ManhattanDistance
> - MinkowskiDistance
> But in scipy (
> [https://docs.scipy.org/doc/scipy/reference/spatial.distance.html]) we can
> find at least:
> - BrayCurtis
> - Canberra
> - Jensen-Shannon
> - Seuclidean
> - Weighted Minkowski
> I can implement those and coverage with unit tests."
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