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ASF subversion and git services commented on SOLR-11863: -------------------------------------------------------- Commit 19647d8023f23de6acbdc21426bf32afd8ffc1b1 in lucene-solr's branch refs/heads/branch_7x from [~joel.bernstein] [ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=19647d8 ] SOLR-11863: Add knnRegress Stream Evaluator to support nearest neighbor regression > Add knnRegress Stream Evaluator to support nearest neighbor regression > ---------------------------------------------------------------------- > > Key: SOLR-11863 > URL: https://issues.apache.org/jira/browse/SOLR-11863 > Project: Solr > Issue Type: New Feature > Security Level: Public(Default Security Level. Issues are Public) > Reporter: Joel Bernstein > Assignee: Joel Bernstein > Priority: Major > Fix For: master (8.0), 7.5 > > Attachments: SOLR-11863.patch, SOLR-11863.patch, SOLR-11863.patch > > > This ticket adds the knnRegress Stream Evaluator to add support for nearest > neighbor regression to the Streaming Expressions machine learning library. > Sample syntax: > {code:java} > let(sample=random(collection1, q=":", rows=10000, fl="response_d, filesize_d, > service_d"), > filesizes=col(sample, filesize_d), > responses=col(sample, response_d), > serviceLevels=col(sample, service_d), > observations=transpose(matrix(filesizes, responses)), > model=knnRegress(observations, serviceLevels, 10), > prediction=predict(model, array(36365, 645))){code} > -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org