【SAS NOTES】proc anova分类变量对比方差分析

1 ods graphics on; 2 proc anova data=mysas.mmsone; 3 class city; 4 model wangnei=city; 5 means city/t; 6 run; 方差分析用于多个类别之间的显著性检验。post means的t检验能够用于对类别分群。spa

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