R help - Jun 2012 - pre-clinical results analysis in R using the function 'aov'

Hi.

I hope someone could help me with my question.

I have clinical scores of a longitudinal study:
4 treatments.
In each treatment j there are nj different subjects that were measured few times
(of course for each subject the measurements are dependent during time).
I want to check it with ANOVA for repeated measurements and then go PostHoc
tests.

Should I use the R function 'aov'?
What should be its parameters and especially the model grammar?
What format should I use for the data file (Groups(=Treatments), Subjects,
TimePoints, Scores).

Thank you very much,
Amit.





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