[Jprogramming] Correlation Coefficient

[Raul Miller]

On 6/26/07, John Randall <randall at andromeda.rutgers.edu> wrote:
> The significance of the denominator comes in more in multifactor
> experiments.  Although you may have a lot of subjects, they are sliced
> several ways.  The major inferential technique is analysis of
> variance, where you are comparing ratios of variances on the slices.
> The denominators can have a significant effect here (and appear as
> degrees of freedom, for example in the F statistic).

Ok, I guess I can see this being a major issue for multivariate
contexts.

I've not thought through those issues very much (and have at
best academic understanding of f distributions -- despite the
fact that they probably have some immediate practical relevance
to some of my work).

Thanks,

-- 
Raul