[jboss-jira] [JBoss JIRA] Assigned: (JBRULES-3056) Include Standard Deviation accumulate function

[Mark Proctor (JIRA)]

     [ https://issues.jboss.org/browse/JBRULES-3056?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mark Proctor reassigned JBRULES-3056:
-------------------------------------

    Assignee: Radoslav Husar  (was: Mark Proctor)


Sure, attach a patch or submit a pull request and we'll add it. Can this be done without any additional dependency jars?

> Include Standard Deviation accumulate function 
> -----------------------------------------------
>
>                 Key: JBRULES-3056
>                 URL: https://issues.jboss.org/browse/JBRULES-3056
>             Project: Drools
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>    Affects Versions: 5.2.0.M2
>            Reporter: Radoslav Husar
>            Assignee: Radoslav Husar
>            Priority: Minor
>
> Hi guys, 
> I think we should add  the standard deviation  to accumulate functions (even excel has it ;-) I went through the Jira there is no similar request, although people are asking about it on the mailing list - so why not make their lives easier? 
> http://lists.jboss.org/pipermail/rules-users/2011-April/019494.html
> It can nicely reside here with others
> https://github.com/droolsjbpm/drools/tree/master/drools-core/src/main/java/org/drools/base/accumulators
> Edson's article on how to add custome ones
> http://blog.athico.com/2007/06/accumulate-functions-edson-tirelli.html
> If it sounds feasible assign back to me and  I can try to contribute,
> Cheers.

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