On 7/20/2007, "Eike Rathke" <> wrote:
>On Thursday, 2007-07-19 14:31:07 -0600, Andreas J. Guelzow wrote:
>
>> In the current draft functions such as TINV require the degree of
>> freedom to be an integer that is at least 1. Our don't see a
>> mathematical reason for the "integer" requirement.
>
>Correct me if I'm wrong, but isn't degrees of freedom the number of
>parameters that can vary? How much sense would one and a half parameter
>make?
Have a look at http://www.andrews.edu/~calkins/math/webtexts/prod12.htm
and look for "fractional degree of freedom".
Andreas
