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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-11436) Add polyfit and polyfitDerivative Stream Evaluators
Date Wed, 04 Oct 2017 18:12:00 GMT

    [ https://issues.apache.org/jira/browse/SOLR-11436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16191748#comment-16191748
] 

ASF subversion and git services commented on SOLR-11436:
--------------------------------------------------------

Commit 1782dd9ca901eced0adbe9932cdbc50ad5792663 in lucene-solr's branch refs/heads/master
from [~joel.bernstein]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=1782dd9 ]

SOLR-11436: Add polyfit and polyfitDerivative Stream Evaluators


> Add polyfit and polyfitDerivative Stream Evaluators
> ---------------------------------------------------
>
>                 Key: SOLR-11436
>                 URL: https://issues.apache.org/jira/browse/SOLR-11436
>             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-11436.patch, SOLR-11436.patch
>
>
> The *polyfit* and *polyfitDerivative* Stream Evaluators provide support for polynomial
curve fitting and calculating the derivative of the fitted curve.
> Implementation provided by the Apache Commons Math polynomial curve fitting implementation.



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