[
https://issues.apache.org/jira/browse/SOLR-14478?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Joel Bernstein updated SOLR-14478:
----------------------------------
Attachment: Screen Shot 2020-05-14 at 8.54.07 AM.png
> 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
> Attachments: SOLR-14478.patch, Screen Shot 2020-05-14 at 8.54.07
> AM.png
>
>
> 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 a matrix of *differenced time series vectors* using math
> expressions.
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org
For additional commands, e-mail: issues-h...@lucene.apache.org
