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Posted to dev@lucene.apache.org by "Joel Bernstein (JIRA)" <ji...@apache.org> on 2017/10/17 19:27:00 UTC

[jira] [Updated] (SOLR-11338) Add Kendall's Tau-b rank and Spearmans rank correlation Stream Evaluators

     [ https://issues.apache.org/jira/browse/SOLR-11338?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joel Bernstein updated SOLR-11338:
----------------------------------
    Fix Version/s:     (was: 7.2)
                   7.1

> Add Kendall's Tau-b rank and Spearmans rank correlation Stream Evaluators
> -------------------------------------------------------------------------
>
>                 Key: SOLR-11338
>                 URL: https://issues.apache.org/jira/browse/SOLR-11338
>             Project: Solr
>          Issue Type: New Feature
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Joel Bernstein
>            Assignee: Joel Bernstein
>             Fix For: 7.1, master (8.0)
>
>         Attachments: SOLR-11338.patch
>
>
> Streaming Expressions already supports Pearson's product moment correlation.
> This ticket adds *Kendall's Tau-b rank correlation* and *Spearmans rank correlation* Stream Evaluators.
> Functions are backed by Apache Commons Math



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