Re: [R] Sum of Squares in a lme model

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From: Federico Calboli (f.calboli@ucl.ac.uk)
Date: Sat 22 May 2004 - 19:30:58 EST


Message-id: <1085218258.2944.6.camel@monkey>

On Sat, 2004-05-22 at 03:58, Deepayan Sarkar wrote:

>
> Exactly what do you wish to square and sum ? If it's the 'errors' (which
> in this context is ambiguous), extract them (see ?residuals.lme),
> square them and sum them. But what are you planning to do with this
> after you get it ?

Make a "oh so nice" anova table for people who have never seen anything
but an anova table with SS and MS and all the standard trappings (sensu
Sokal and Rohlf or Zar), and would get perturbed if they did not get
what they expected, together with the "oh so nice" stars next to the p
value of the F-test...

I know it is silly, I do not make the rules though. Also, I am probably
just ranting.

Fede

-- 

=================================

Federico C. F. Calboli

Dipartimento di Biologia Via Selmi 3 40126 Bologna Italy

tel (+39) 051 209 4187 fax (+39) 051 209 4286

f.calboli at ucl.ac.uk fcalboli at alma.unibo.it

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