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Posted to dev@lucene.apache.org by "ASF subversion and git services (JIRA)" <ji...@apache.org> on 2017/05/17 00:13:04 UTC
[jira] [Commented] (SOLR-10696) Add empirical distribution and
percentile Stream Evaluators
[ https://issues.apache.org/jira/browse/SOLR-10696?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16013294#comment-16013294 ]
ASF subversion and git services commented on SOLR-10696:
--------------------------------------------------------
Commit 523590310775ba7c4276e738183ee6b4e9575167 in lucene-solr's branch refs/heads/master from [~joel.bernstein]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=5235903 ]
SOLR-10696: Add empirical distribution and percentile Stream Evaluators
> Add empirical distribution and percentile Stream Evaluators
> -----------------------------------------------------------
>
> Key: SOLR-10696
> URL: https://issues.apache.org/jira/browse/SOLR-10696
> Project: Solr
> Issue Type: New Feature
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Joel Bernstein
> Attachments: SOLR-10696.patch, SOLR-10696.patch, SOLR-10696.patch, SOLR-10696.patch
>
>
> The *empirical distribution* Stream Evaluator loads an array and creates a distribution based only on the underlying data. It returns summary stats for the distribution.
> The *percentile* Stream Evaluator returns the percentile of a number for a specific empirical distribution.
> Syntax:
> {code}
> e = empiricalDistribution(colA)
> p = percentile(e, 23)
> {code}
> Implementation provided by Apache Commons Math
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