: Afshartous, David
Cc: r-help@stat.math.ethz.ch
Subject: Re: [R] treatment effect at specific time point within mixed
effects model
Consider the following modification of your example:
fm1a = lme(z ~ (factor(Time)-1)*drug, data = data.grp, random =
list(Patient = ~ 1) )
summary(fm1a)
Consider the following modification of your example:
fm1a = lme(z ~ (factor(Time)-1)*drug, data = data.grp,
random = list(Patient = ~ 1) )
summary(fm1a)
Value Std.Error DFt-value p-value
factor(Time)1 -0.6238472 0.7170161 10 -0.8700602 0.4047
factor(Tim
All,
The code below is for a pseudo dataset of repeated measures on patients
where there is also a treatment factor called "drug". Time is treated
as categorical.
What code is necessary to test for a treatment effect at a single time
point,
e.g., time = 3? Does the answer matter if the des
