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https://issues.apache.org/jira/browse/SOLR-11377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16176347#comment-16176347
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Mathew commented on SOLR-11377:
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update to syntax:
*Exponential Moving Average Evaluator:*
expMovingAvg(colA, windowSize) - calculates smoothing factor (alpha) as
2/windowSize + 1
OR
expMovingAvg(colA, windowSize, smoothingFactor) - user defined alpha
*Binomial Coefficient Evaluator:* - number of ways to pick k unordered
outcomes from list n
binomialCoefficient(n, k)
> Add expMovingAverage (exponential moving average) Stream Evaluator
> ------------------------------------------------------------------
>
> Key: SOLR-11377
> URL: https://issues.apache.org/jira/browse/SOLR-11377
> Project: Solr
> Issue Type: New Feature
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Joel Bernstein
> Assignee: Joel Bernstein
> Fix For: master (8.0), 7.1
>
> Attachments: SOLR-11377.patch, SOLR-11377.patch
>
>
> This ticket will add the exponential moving average Stream Evaluator.
> Syntax:
> {code}
> expMovingAvg(colA)
> {code}
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