Google on "R mixed effects" !
(or you could use R's search tools -- ?help )
-- Bert
On Wed, Mar 9, 2011 at 4:58 PM, Chris Buddenhagen
<cbuddenhagen at gmail.com> wrote:> To account for likely differences between
> families in naturalization rates, we fitted a
> generalized linear mixed model, using
> PROC NLMIXED in SAS10, with the
> naturalization rate per genus (that is, the
> number of naturalized species in a genus as
> a proportion of the total number of introduced
> species in a genus) as the response
> variable, a variable coding genera as containing
> at least one native species or not as a
> fixed-effect predictor, and a variable coding
> for family as a random effect.
>
> I would like to emulate or do something better than this PROC NLMIXED
method
> using R, the methods were used in a 2002 Duncan and Williams nature
> publication. Any suggestions about how to proceed?
>
>
>
> Chris Buddenhagen
>
> ? ? ? ?[[alternative HTML version deleted]]
>
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--
Bert Gunter
Genentech Nonclinical Biostatistics