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2005 Jan 17
0
a question of mixed effect in R
Dear all,
I have a question about mixed effect model in R. The data set has
5 variables, X(response),subject, times, repeat, indicator
The model is X_hijk=a_h+Z_h*b_i+r(ij)+e_hijk , where
h=0,1(indicator), i=1,...,n(subject), j=1,...,n_i(times within
subject; nested effect),k=1,2,3(repeat).
Z_h=1 if h=1
=0 if h=0
b_i~N(0,c^2) random effect of subject
r(ij)~N(0,d^2) random effect of times within subject
e_hijk~N(0,e^2) error term which is independent w...