Joel Bernstein created SOLR-10638:
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Summary: 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
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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