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https://issues.apache.org/jira/browse/MATH-1007?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13709662#comment-13709662
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Sebb edited comment on MATH-1007 at 7/16/13 10:34 AM:
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Sample implementation - this does not use a separate helper class, and does its
own parameter validation.
was (Author: [email protected]):
Sample implementation
> Add mode function to StatUtils class
> ------------------------------------
>
> Key: MATH-1007
> URL: https://issues.apache.org/jira/browse/MATH-1007
> Project: Commons Math
> Issue Type: New Feature
> Reporter: Sebb
> Attachments: MATH-1007.patch
>
>
> It might be useful to have a StatUtils function to get the mode.
> However, this may be tricky as it does not easily fit in with the current
> StatUtils design.
> The mode can have multiple elements, but all the other methods only return a
> single value.
> There are at least two options for converting an array to a single value:
> - arbitrarily (or randomly) pick one
> - throw an Exception if there is more than one mode
> Or maybe StatUtils should return a double array.
> StatUtils also uses nested classes for all but the difference and normalize
> methods. However the standard interfaces and classes don't support returning
> arrays.
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