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SAS CODE USING RANDOM ALLOCATION APPROACH
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data data2;
seed = 34191;
phi = 0.5;
do site = 1 to 3;
do trt = 0 to 1;
do subj = 1 to 6;
u = ranuni(54469);
output;
end;
end;
end;
drop subj;
run;
proc sort data=data2;
by site u;
run; ...
2010-4-17 01:15 - sophiayaya - SAS专版