[R] Repeated measures with categorical data

sualme susana.alberichmesa at osakidetza.net
Tue Nov 19 14:24:00 CET 2013

I am working in a longitudinal study, with a categorical variable as a
dependent variable (alcohol consumption: no use, use, abuse and dependence)
with repeated measures (baseline, 1 year, 2 years). Besides I have another
variable with two groups: control and experimental. 

I would like to analyze the evolution in each group, I have though in lme,
but I am not sure if I can do an lme with a categorical vble as dependent
vble, or it must be continuous. If so, which model could I do? I have read
something about lmer, but doesn`t give p-values..

Thanks in advance!

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