Re: error in ml stat

From: John Houck <houck_at_email.domain.hidden>
Date: Fri, 21 Dec 2012 12:27:02 -0500
On Wed, Dec 12, 2012 at 11:30 -0500, David P. Huenemoerder wrote:
> 
> We have found an error in the maximum likelihood statistic in ISIS,
> "ml".
> 
> Formula 7.51 (in the version of the manual dated 6/2/11) is incorrect.
> Instead of ln Gamma[Mi+1], it should be ln Gamma[Ci+1]. It should also
> have factor of 2 to make it distributed as chisq.  (Thanks to Herman
> Marshall for providing details.  And for being the first user,
> apparently, of "ml".)
> 
[...]

The bug in 'ml' will be fixed and the documentation corrected
in the next isis release, version number 1.6.2-14.

Thanks,
-John
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Received on Fri Dec 21 2012 - 12:27:28 EST

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