You are viewing a plain text version of this content. The canonical link for it is here.

Posted to issues@lucene.apache.org by "Joel Bernstein (Jira)" <ji...@apache.org> on 2020/05/13 11:23:00 UTC

[jira] [Assigned] (SOLR-14478) Allow the diff Stream Evaluator to operate on the rows of a matrix

     [ https://issues.apache.org/jira/browse/SOLR-14478?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joel Bernstein reassigned SOLR-14478:
-------------------------------------

    Assignee: Joel Bernstein

> Allow the diff Stream Evaluator to operate on the rows of a matrix
> ------------------------------------------------------------------
>
>                 Key: SOLR-14478
>                 URL: https://issues.apache.org/jira/browse/SOLR-14478
>             Project: Solr
>          Issue Type: New Feature
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: streaming expressions
>            Reporter: Joel Bernstein
>            Assignee: Joel Bernstein
>            Priority: Major
>
> Currently the *diff* function performs *serial differencing* on a numeric vector. This ticket will allow the diff function to perform serial differencing on all the rows of a *matrix*. This will make it easy to perform *correlations* on *differenced time series matrices* using math expressions.



--
This message was sent by Atlassian Jira
(v8.3.4#803005)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@lucene.apache.org
For additional commands, e-mail: issues-help@lucene.apache.org