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Posted to dev@lucene.apache.org by "Joel Bernstein (JIRA)" <ji...@apache.org> on 2018/03/28 22:48:00 UTC

[jira] [Updated] (SOLR-11791) Add density Stream Evaluator

     [ https://issues.apache.org/jira/browse/SOLR-11791?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joel Bernstein updated SOLR-11791:
----------------------------------
    Fix Version/s: master (8.0)

> Add density Stream Evaluator
> ----------------------------
>
>                 Key: SOLR-11791
>                 URL: https://issues.apache.org/jira/browse/SOLR-11791
>             Project: Solr
>          Issue Type: New Feature
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Joel Bernstein
>            Assignee: Joel Bernstein
>            Priority: Major
>             Fix For: 7.3, master (8.0)
>
>         Attachments: SOLR-11791.patch, SOLR-11791.patch
>
>
> The *density* function will implement the *probability density function* (PDF) for multivariate distributions. The univariate distributions have the easier to interpret *probability* function so for the initial release the density function will only be supported for multvariate distributions.
> Implementation provided by Apache Commons Math.



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