[R] Sum of Squares in a lme model

[Federico Calboli]

Dear All,

I would like to ask how to get the Sum of Squares from fitted lme model.
I appreciate that lme maximises the likelihood (or REML) and uses
likelihood ratio tests, but I just fail why I could not get the SS if I
want them. I could use lm to calculate them, but it looks quite
pointless to fit a second (and wrong in a way) model for something so
trivial.

I know that the issue has been dealt with before, but I could not find a
clear cut answer searching through the archives.

Regards 

Federico Calboli

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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