R devel - Feb 2006 - [R] repeated measurements and lme

I am trying to do a repeated measurement anova using an lme. I have the
    following variables:
    -ID, the identification of the individual
    -trail, with 2 levels
    -treatment, with 3
    -time, measure 5 times the same individual
    -VCL, the response variable
    I tried the following in R,
    within.gr<-groupedData(VCL~time|ID/treatment/time,data=within)
    summary(lme(fixed=VCL~time*treatment,random=~1,data=within.gr))
    I am not sure if it is correct at all. Can anyone help me? It will be very
    helpful.
    Sincerely,
    Jonathan
   
Vaz

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On Wed, 15 Feb 2006, jonvaz at stud.ibg.uit.no wrote:
> I am trying to do a repeated measurement anova using an lme. I have the
>    following variables:
>    -ID, the identification of the individual
>    -trail, with 2 levels
>    -treatment, with 3
>    -time, measure 5 times the same individual
>    -VCL, the response variable
>    I tried the following in R,
>    within.gr<-groupedData(VCL~time|ID/treatment/time,data=within)
>    summary(lme(fixed=VCL~time*treatment,random=~1,data=within.gr))
>    I am not sure if it is correct at all. Can anyone help me? It will be
very
>    helpful.
>    Sincerely,
>    Jonathan
>
> Vaz
-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595