data test8_1; /*创建数据集*/
input treatment$ x@@;
cards;
N0 490.4 N0 487.5 N0 496.4
N1 500.2 N1 510.2 N1 505.4
N2 509.5 N2 510.3 N2 507.3
N3 523.1 N3 515.7 N3 518.9
;
run;
proc anova data=test8_1; /*单因素的方差分析*/
class treatment; /*设置因素变量*/
model x=treatment; /*设置方差分析模型*/
means treatment /t; /*多重比较设置*/
run;