On 12 May 2008, at 12:21, Nick Isaac wrote:
I *think* the syntax for the model Federico wants is this:
lmer(y~selection*males+ (selection|month) + (males|month))
I'll try and check against some back of the envelope calculations --
as I said, the model is, per se, nothing really new, and my data is
fully balanced.
My lme syntax is a bit rusty, so I'm not confident how to recode
with nested random effects, as in P&B p24.
Two quick points:
1. I think Federico has caused some confusion on account of the way
he used the term 'crossing'
Sorry about that, I'll try to avoid causing such confusion in the
future.
Cheers,
/F
--
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 75941602 Fax +44 (0)20 75943193
f.calboli [.a.t] imperial.ac.uk
f.calboli [.a.t] gmail.com
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