[R] lme nesting/interaction advice

[Federico Calboli]

> 
> Note that random can be a list:
> 
> "a one-sided formula of the form ~x1+...+xn, or a pdMat object with a formula
> (i.e. a non-NULL value for formula(object)), or a list of such formulas or pdMat
> objects. "

If you can translate that into *informative* English I'd be grateful. I have the 
Pinheiro and Bates book under my nose now, and I suspect it's pretty more 
extensive that the helpfile, but it's still nowhere close to providing a 
straigtforward answer to my question.

Cheers,

Federico


-- 
Federico C. F. Calboli
Department of Epidemiology and Public Health
Imperial College, St Mary's Campus
Norfolk Place, London W2 1PG

Tel  +44 (0)20 7594 1602     Fax (+44) 020 7594 3193

f.calboli [.a.t] imperial.ac.uk
f.calboli [.a.t] gmail.com