Dear R- helper,
I am trying to analyze repeated measure .
there are three factors: a ,b and time
a and b factors have two levels and time has 90 different timepoints.
This is the r-code I've tried;
gls(y~factor(a)*factor(b)*time, data=, corr=corAR1(form=~time|id))
Here, the reason why I did not put factor code in time factor is that the R
never gave me results and said "no response". So, I took factor code off.
Here is my question.
I am not sure my code is correct and I am wondering if time factor can be
considered as a random factor so that I can use the R-code below.
gls(y~factor(a)*factor(b), data=, corr=corAR1(form=~time|id))
please give me any comments or advice...
Thank you for your help.
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