data strength; input id program$ s1 s2 s3 s4 s5 s6 s7; datalines; 1 co 81 84 83 83 85 85 85 2 co 77 78 79 79 81 82 81 3 co 84 85 87 89 88 85 86 4 co 74 75 78 78 79 78 78 5 co 76 77 77 77 77 76 76 6 co 84 84 86 85 86 86 86 7 co 79 80 79 80 80 82 82 8 co 78 78 77 76 75 75 76 9 co 78 80 77 77 75 75 75 10 co 84 85 85 85 85 83 82 11 co 83 83 85 85 86 87 87 12 RI 79 82 82 83 84 84 82 13 RI 88 89 91 90 93 93 95 14 RI 83 83 84 83 84 86 86 15 RI 81 81 82 82 82 83 85 16 RI 87 88 90 89 89 91 93 17 RI 80 82 83 85 86 88 88 18 RI 82 83 84 84 83 85 87 19 RI 84 85 85 85 86 88 90 20 RI 80 80 82 83 83 84 85 21 RI 85 87 88 88 90 90 91 22 RI 87 88 88 87 87 86 86 ; proc print data=strength; run; proc sort data=strength; by program; run; proc means data=strength mean std var; var s1 s2 s3 s4 s5 s6 s7; by program; run; data means; input meancont meanri time; datalines; 79.8181818 3.5726232 12.7636364 80.8181818 3.5445220 12.5636364 81.1818182 4.0204025 16.1636364 81.2727273 4.3148791 18.6181818 81.5454545 4.6981621 22.0727273 81.2727273 4.5186482 20.4181818 81.2727273 4.4517617 19.8181818 ; proc sgplot data=means; series x=time y=meanri/markers; series x=time y=meancont/markers; xaxis label='Time(in days)' values=(1 to 14 by 2); yaxis label='Mean Strength'; title 'mean strength vs time'; run; title; ... View more