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Posted to issues@solr.apache.org by "Joel Bernstein (Jira)" <ji...@apache.org> on 2022/01/27 15:37:00 UTC

[jira] [Resolved] (SOLR-11609) Add randomWalk Stream Evaluator to support time series simulations

     [ https://issues.apache.org/jira/browse/SOLR-11609?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joel Bernstein resolved SOLR-11609.
-----------------------------------
    Fix Version/s:     (was: 9.0)
                       (was: 8.1)
       Resolution: Not A Problem

TIme series random walks are already supported:

https://solr.apache.org/guide/8_11/simulations.html#random-walk

> Add randomWalk Stream Evaluator to support time series simulations
> ------------------------------------------------------------------
>
>                 Key: SOLR-11609
>                 URL: https://issues.apache.org/jira/browse/SOLR-11609
>             Project: Solr
>          Issue Type: New Feature
>          Components: streaming expressions
>            Reporter: Joel Bernstein
>            Assignee: Joel Bernstein
>            Priority: Major
>
> Now that we have *Monte Carlo* simulations and *Markov Chain* support it would be useful to add a randomWalk function to support time series simulations. The randomWalk function will utilize the probability distribution framework and soon to be committed time series differencing function SOLR-11571.



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