sas eIntelligence 几个处理组与对照组的比较( dunnett proc anova data=data. d5_ 2 class ca model xec means c/dunnett run The power to know几个处理组与对照组的比较（dunnett） proc anova data=data.d5_2; class c; model x=c; means c/dunnett; run;