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https://issues.apache.org/jira/browse/IGNITE-6880?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yury Babak resolved IGNITE-6880.
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Resolution: Done
reviewed and merged
> KNN(k nearest neighbor) algorithm
> ---------------------------------
>
> Key: IGNITE-6880
> URL: https://issues.apache.org/jira/browse/IGNITE-6880
> Project: Ignite
> Issue Type: New Feature
> Components: ml
> Reporter: Yury Babak
> Assignee: Aleksey Zinoviev
> Labels: important
> Fix For: 2.4
>
>
> We want to add KNN to Apache Ignite ML module.
> Our implementation should support two modes:
> * KNN-classifier(in this mode the output is a class membership. An object is
> classified by a majority vote of its neighbors, with the object being
> assigned to the class most common among its k nearest neighbors (k is a
> positive integer, typically small). If k = 1, then the object is simply
> assigned to the class of that single nearest neighbor)
> * KNN-regression(the output is the property value for the object. This value
> is the average of the values of its k nearest neighbors.)
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