27. Data m;
Input A S REP WT;
IF A=1 AND S=1 THEN AS=11;
IF A=1 AND S=2 THEN AS=12;
IF A=1 AND S=3 THEN AS=13;
IF A=1 AND S=4 THEN AS=14;
IF A=2 AND S=1 THEN AS=21;
IF A=2 AND S=2 THEN AS=22;
IF A=2 AND S=3 THEN AS=23;
IF A=2 AND S=4 THEN AS=24;
CARDS;
1 1 1 21
1 1 2 19.5
1 1 3 22.5
1 1 4 21.5
1 1 5 20
1 1 6 21
1 2 1 32
1 2 2 30.5
1 2 3 25
1 2 4 27.5
1 2 5 28
1 2 6 28.6
1 3 1 22.5
1 3 2 26
1 3 3 28
1 3 4 27
1 3 5 26.5
1 3 6 25.2
1 4 1 28
29. PROC ANOVA; CLASS A S;
MODEL WT= A S A*S;
MEANS A S/LSD;
PROC ANOVA; CLASS AS;
MODEL WT=AS;
MEANS AS/LSD;
RUN;
proc means n mean stderr;by A; var WT ;
quit;
proc sort; by s;
proc print;
proc means n mean stderr;by s; var WT ;
run;