Joel Bernstein created SOLR-11808:
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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.
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