*Read in data data toenail; infile "D:\toenail.txt"; input time treatment y id; run; *Section 4.1 %QLS(data=toenail,y=y, x=treatment, id=id, time=time, link=2, corr=1); *Section 4.2 %QLS(data=toenail,y=y, x=treatment, id=id, time=time, link=2, corr=3); *Section 4.3 %QLS(data=toenail,y=y, x=treatment, id=id, time=time, link=2, corr=2); %QLS(data=toenail,y=y, x=treatment, id=id, time=time, link=2, corr=4); *Section 4.4 data toenail; infile "D:\toenail.txt"; input time treatment y id; interaction = treatment*time; run; %QLS(data=toenail,y=y, x=treatment time interaction, id=id, time=time, link=2, corr=1); data toenail2; infile "D:\toenail2.txt" delimiter="," ; input y time2 time3 time5 time7 treatment time7_trt id time; run; %QLS(data=toenail2,y=y, x=time2 time3 time5 time7 treatment time7_trt, id=id, time=time, link=2, corr=1);