【SAS BASE】PROC MEAS

1 PROC MEANS OPTIONS; /*默认输出:非缺省数目、均值、标准差、最小值、最大值*/
2     BY variable-list;/*必须要预先排序*/
3     CLASS variable-list;/*功能与BY语句相同,不需要预先排序*/
4      VAR variable-list;
5      OUTPUT OUT=data-set statistic(variable-list)=name-list; /*除了VAR与语句中的变量名外,还有两变量:_TYPE_和_FREQ_*/
6                                        /*例:MEAN(Lions Bears)=Lionweight Bearweight*/
原文地址:https://www.cnblogs.com/chenyn68/p/3866381.html