我有一列数据,列名为(Daily_Mileage)。我有15种不同类型的每日里程和250行。我希望为每日15个里程分别计数。我在SAS中使用PROC SQL,它不喜欢Cross join命令。我真的不知道我应该做的,但是这是我开始:SAS Proc SQL计数问题
PROC SQL; select A, B From (select count(Daily_Mileage) as A from Work.full where Daily_Mileage = 'Farm Utility Vehicle (Class 7)') a cross join (select count(Daily_Mileage) as B from Work.full where Daily_Mileage = 'Farm Truck Light (Class 35)') b); QUIT;