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Posted to issues@commons.apache.org by "Gilles (JIRA)" <ji...@apache.org> on 2016/05/06 22:06:13 UTC

[jira] [Commented] (MATH-1228) First Moment is not public

    [ https://issues.apache.org/jira/browse/MATH-1228?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15274809#comment-15274809 ] 

Gilles commented on MATH-1228:
------------------------------

Was this discussed on the ML?
Conclusion should be reported here.

> First Moment is not public
> --------------------------
>
>                 Key: MATH-1228
>                 URL: https://issues.apache.org/jira/browse/MATH-1228
>             Project: Commons Math
>          Issue Type: Bug
>    Affects Versions: 3.5
>            Reporter: Fabian Lange
>
> Hi there,
> is there a specific reason FirstMoment is not public?
> I want to calculate a mean over a List<Double>, for that I want to loop over that list and invoke Mean.increment(listValue), however this is slower than it could be. Every increment call makes a check to incMoment.
> I could avoid that if I use a FirstMoment directly, but I cannot create an instance, because it is protected.
> Also this effectively means that the public constructor Mean(FirstMoment) is not usable.



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