Hello, I'm using a repeated GLM for the same behaviour measure of each subject over three consecutive days which goes something like this: proc glm data = x; class treatment; model behaviour1 behaviour2 behaviour3 = treatment; repeated days 3; run; My problem is that some of the days are on the weekend which will affect the behaviour, so how can I control for the effect of weekend? (which I've recorded as binary 1/0 for each day). Fit it into the repeated statement somehow??
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