title'雙因素非均衡數據';
data ex;do a=1 to 2;do b=1 to 3;input n @@;
do i=1 to n;input x @@;output;end;end;end;
cards;
3 3.3 2.6 1.5
4 3.6 3.1 1.9 0.8
5 1.6 3.2 2.6 5.2 4.7
6 2.2 1.3 4.2 3.9 2.9 3.1
8 4.3 5.3 2.8 2 2.9 3.5 4.9 2.5
10 2.9 4.4 3.8 4.4 5.1 4.8 4.6 5.6 3.9 3
;
proc glm;class a b;model x=a b a*b;
means a b;run;