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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-11785) Add multiVariateNormalDistribution Stream Evaluator
Date Wed, 20 Dec 2017 19:02:00 GMT

    [ https://issues.apache.org/jira/browse/SOLR-11785?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16298924#comment-16298924
] 

ASF subversion and git services commented on SOLR-11785:
--------------------------------------------------------

Commit 680d74f597ecbf57e97e924a2c66019912f75f25 in lucene-solr's branch refs/heads/branch_7x
from [~joel.bernstein]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=680d74f ]

SOLR-11785: Add multiVariateNormalDistribution Stream Evaluator


> Add multiVariateNormalDistribution Stream Evaluator
> ---------------------------------------------------
>
>                 Key: SOLR-11785
>                 URL: https://issues.apache.org/jira/browse/SOLR-11785
>             Project: Solr
>          Issue Type: New Feature
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Joel Bernstein
>         Attachments: SOLR-11785.patch, SOLR-11785.patch
>
>
> As the univariate statistical functions are very far along it makes sense to begin focusing
on the multivariate statistical functions. This ticket adds the multivariate normal distribution
which is the most important multivariate distribution.
> This also gets into the world of Bayesian Statistics and machine learning.
> Implementation provided by Apache Commons Math.



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