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https://issues.apache.org/jira/browse/SOLR-12671?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16584323#comment-16584323
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ASF subversion and git services commented on SOLR-12671:
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Commit 52f9cee97b4f293af26de0e7b4ec534cb6b11b10 in lucene-solr's branch
refs/heads/master from [~joel.bernstein]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=52f9cee ]
SOLR-12671: Add robust flag to knnRegress Stream Evaluator
> Add robust flag to knnRegress Stream Evaluator
> ----------------------------------------------
>
> Key: SOLR-12671
> URL: https://issues.apache.org/jira/browse/SOLR-12671
> Project: Solr
> Issue Type: New Feature
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Joel Bernstein
> Assignee: Joel Bernstein
> Priority: Major
> Attachments: SOLR-12671.patch
>
>
> Currently the knnRegress function calculates the prediction by averaging the
> outcomes from the k nearest neighbors. The robust flag wil cause the
> knnRegression function to calculate the prediction by taking the median of
> the outcomes of the k nearest neighbors. This will be useful when using
> knnRegression for anomaly detection.
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