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https://issues.apache.org/jira/browse/SOLR-10638?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joel Bernstein resolved SOLR-10638.
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Resolution: Resolved
Fix Version/s: master (7.0)
6.6
> Add normalize Stream Evaluator
> ------------------------------
>
> Key: SOLR-10638
> URL: https://issues.apache.org/jira/browse/SOLR-10638
> Project: Solr
> Issue Type: New Feature
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Joel Bernstein
> Fix For: 6.6, master (7.0)
>
>
> This ticket will add the *normalize* Stream Evaluator which will normalize a
> vector of numbers so that the mean of the vector is 0 and the standard
> deviation is 1.
> Syntax:
> {code}
> a = normalize(colA)
> {code}
> Implementation is provided by Apache Commons Math
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