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https://issues.apache.org/jira/browse/MATH-1228?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15275191#comment-15275191
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Gilles commented on MATH-1228:
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bq. a clear API bug
Good reason to start the discussion on the "dev" ML. A better design must be
proposed, and agreed on, there.
Thanks for taking this further.
And there are other (loosely) related issues, e.g. MATH-1281.
> 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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