[R] repeated measures ANOVA using Anova in car library

[Bert Gunter]

You should post this instead on r-sig-mixed-models, rather than here.
They are specifically concerned with such statistical issues; here the
concern is primarily R programming.

Cheers,
Bert

Bert Gunter
Genentech Nonclinical Biostatistics
(650) 467-7374

"Data is not information. Information is not knowledge. And knowledge
is certainly not wisdom."
H. Gilbert Welch




On Tue, Jan 21, 2014 at 9:56 AM, Rüdiger Wolf <r.h.wolf at gmx.net> wrote:
> Dear all,
>
> I am trying to do a repeated-measures ANOVA using Anova of the car package.
>
> I have a quite basic design with 24 subjects and only 2 within-subject
> factors (condition (2 levels: legal an illegal) and day (1,2,3)).
>
> I found the Examples (see
> https://stat.ethz.ch/pipermail/r-help/2008-December/181981.html) in
> ?Anova, but I don't know what to do if there are only within-subject
> factors. What should I do with the mod.ok model object?
>
> ----------------------snip---------------------
>
> name_test_fribbles<-read.csv('Naming_test_Fribbles.csv') # Import
> cond<-factor(rep(c("legal","illegal"),c(3,3)),levels=c("legal","illegal"))
> day<-ordered(rep(1:3,2))
> idata<-data.frame(cond,day)
> mod.ok<-lm(cbind(legTag1,legTag2,legTag3,illegTag1,illegTag2,illegTag3)
>            ~ THIS IS MISSING
>
>                 ,data=name_test_fribbles)
>
>
> -----------------------snip-------------------------
>
> I would be glad if anyone could help me! Thanks a lot!
>
> Rudi
>
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