You are viewing a plain text version of this content. The canonical link for it is here.

Posted to dev@lucene.apache.org by "Joel Bernstein (JIRA)" <ji...@apache.org> on 2017/12/31 18:34:00 UTC

[jira] [Created] (SOLR-11808) Add sumSq Stream Evaluator

Joel Bernstein created SOLR-11808:
-------------------------------------

             Summary: Add sumSq Stream Evaluator  
                 Key: SOLR-11808
                 URL: https://issues.apache.org/jira/browse/SOLR-11808
             Project: Solr
          Issue Type: New Feature
      Security Level: Public (Default Security Level. Issues are Public)
            Reporter: Joel Bernstein


This ticket adds the *sumSq* function to Streaming Expression statistical function library. The sumSq function sums the squares of all the values in an array. This is often used when evaluating the residuals of a regression model.

Implementation provided by Apache Commons Math.



--
This message was sent by Atlassian JIRA
(v6.4.14#64029)

---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscribe@lucene.apache.org
For additional commands, e-mail: dev-help@lucene.apache.org