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https://issues.apache.org/jira/browse/SOLR-10724?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16020350#comment-16020350
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ASF subversion and git services commented on SOLR-10724:
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Commit 2d184581a7e7fcd1ed835dc776e04630a244dbb3 in lucene-solr's branch
refs/heads/master from [~joel.bernstein]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=2d18458 ]
SOLR-10724: Add describe Stream Evaluator
> Add describe Stream Evaluator
> -----------------------------
>
> Key: SOLR-10724
> URL: https://issues.apache.org/jira/browse/SOLR-10724
> Project: Solr
> Issue Type: New Feature
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Joel Bernstein
> Assignee: Joel Bernstein
> Attachments: SOLR-10724.patch
>
>
> The *describe* Stream Evaluator provides descriptive statistics for an array
> of numbers. describe returns a single tuple with the following stats:
> geometricMean
> kurtosis
> max
> min
> mean
> N
> populationVariance
> quadraticMean
> skewness
> standardDeviation
> sum
> sumsq
> variance
> Syntax:
> {code}
> c = describe(colA)
> {code}
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