SAS Base认证考试70题SAS分多个认证种类：base，advanced，clinic等，但大多需要先通过base认证。但凡这类商业组织提供的考证，基本都是题库型，所以想考过难度并不大。对于只想拿SAS认证的人，如果熟练掌握网上流传甚广的sas真题70题，通过base认证基本就没问题。Q 11. The following SAS program is submitted:data WORK.TOTAL;set WORK.SALARY;by Department Gender;if First. then Payroll=0; Payroll+Wagerate;if Last.;run;The SAS data set WORK.SALARY is currently ordered by Gender within Department.Which inserted code will accumulate subtotals for each Gen
