[R] Mean Squares

Spencer Graves spencer.graves at pdf.com
Fri Feb 28 17:37:04 CET 2003


The term "anova" has evolved to include roughly any table with something 
like a partition of sums of squares even in non-normal situations, e.g., 
when using "glm" for logistic regression, where the "deviance" = 
(-2)*log(likelihood) is partitioned.

Hope this helps.
Spencer Graves

Pedro J. Aphalo wrote:
> 
> Douglas Bates wrote:
> 
>>bhx2 at mevik.net (Bjørn-Helge Mevik) writes:
>>
>>
>>>Mona Riihimaki <mona at sun3.oulu.fi> writes:
>>>
>>>
>>>>I've done lme-analysis with R; [...] I'd need also the mean squares.
>>>
>>>AFAIK, lme doesn't calculate sum of squares (or mean squares).  It
>>>maximises the likelihood (or restricted likelihood) and uses tests
>>>based on likelihood ratios.
>>
>>Yes - you are correct.
>>
> 
> although the function is called anova.lme, is it still correct to talk
> about "anova results" when referring to the results of these tests? and
> in the case of the Wald tests in the single lme object case?
> 
> (sorry if this is a dumb question...)
> 
> Pedro.
> 
> 
>>______________________________________________
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> 
>




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