首先把上面程序中drop y1-y4;这行命令去掉
再执行下面命令:
PROC GLM data=a;
CLASS c;
MODEL y1-y4=c / NOUNI;
REPEATED time 4 CONTRAST(1) / SUMMARY PRINTE;
REPEATED time 4 MEAN / SUMMARY PRINTE;
REPEATED time 4(1 2 3 4)
POLYNOMIAL / SUMMARY PRINTE;
REPEATED time4 PROFILE / SUMMARY PRINTE;
REPEATED time 4 HELMERT / SUMMARY PRINTE;
RUN; QUIT;
注:结果的输出量比较多,
之所以这么写,可以给出适应多只同时要求的两两比较的结果,
在某些特定的专业(或回答特定的问题)中,会很有用。