Hi SAS experts, I have a listing of paired subjects that need to be randomly assigned to one of two treatments groups. I'm sure this is a pretty simple task but PROC PLAN doesn't seem to account for the paired structure of my data. To be clear, for each pair (A1/A2. B1/B2, etc...) I need to assign one to treatment group #1 and the other to treatment group #2. Please see attached pdf for a visual description of what I'm trying to do. I'm running SAS 9.4 Any help will be greatly appreciated! Michelle
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