If these are contrasts of the fixed effects, the contrast package
might do.
Max
On Mar 19, 2010, at 5:33 AM, Liviu Andronic <[email protected]>
wrote:
On 3/18/10, Martin Turcotte <[email protected]> wrote:
Hi I am running some linear and non-linear mixed effect models and
would like to do some planned contrasts (a priori contrasts)
I have looked in the help and in many forums and it seems possible
to do so but don't understand how to write the function and I
couldn't find an example in Pinheiro and Bates.
Did you try John Fox' appendix on mixed effects models [1]?
Liviu
[1] http://socserv.socsci.mcmaster.ca/jfox/Books/Companion/appendix.html
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