摘要: /*1.proc语句:将要运行的SAS过程*/data a; set sashelp.class; proc print; /*先排序才能分组打印*/proc sort data=a; by sex; proc print data=a; /*对哪些变量生效*/ var name age heigh 阅读全文
posted @ 2021-05-21 10:05 AnXiaoni 阅读(55) 评论(0) 推荐(0)