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From "Sergei Lebedev (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MATH-1133) NaNStrategy for UnivariateStatistic and friends
Date Mon, 30 Jun 2014 14:35:25 GMT

    [ https://issues.apache.org/jira/browse/MATH-1133?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14047706#comment-14047706
] 

Sergei Lebedev commented on MATH-1133:
--------------------------------------

Okay, should I post to the ML myself?

> NaNStrategy for UnivariateStatistic and friends
> -----------------------------------------------
>
>                 Key: MATH-1133
>                 URL: https://issues.apache.org/jira/browse/MATH-1133
>             Project: Commons Math
>          Issue Type: Improvement
>            Reporter: Sergei Lebedev
>            Priority: Minor
>
> In the current implementation univariate statistics don't allow to specify NaN behaviour.
For instance, the following code simply yields NaN as the result.
> {code:java}
> Mean mean = new Mean();
> mean.increment(42);
> mean.increment(Double.NaN);
> System.out.println(mean.getResult());  // prints 'NaN'.
> {code}
> Is it possible to parametrize all available statistics by NaNStrategy with the default
behaviour being a no-op?



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