[R] Please Post Planned Contrasts Example in lme {nlme}

Max Kuhn mxkuhn at gmail.com
Fri Mar 19 15:40:29 CET 2010

If these are contrasts of the fixed effects, the contrast package  
might do.


On Mar 19, 2010, at 5:33 AM, Liviu Andronic <landronimirc at gmail.com>  

> On 3/18/10, Martin Turcotte <mart.turcotte at gmail.com> 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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