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Posted to dev@lucene.apache.org by "Joel Bernstein (JIRA)" <ji...@apache.org> on 2018/08/16 13:42:00 UTC

[jira] [Created] (SOLR-12671) Add robust flag to knnRegress Stream Evaluator

Joel Bernstein created SOLR-12671:
-------------------------------------

             Summary: 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


Currently the knnRegress function calculates the prediction by averaging the outcomes from the k nearest neighbors. The robust flag wil cause the knnRegression function tol calculate the prediction by taking the median of the outcomes of the k nearest neighbors.



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