标题: 跟crakman做sas base认证试题（8） [打印本页] 作者: shiyiming 时间: 2010-11-11 00:05 标题: 跟crakman做sas base认证试题（8） From crackman's blog on Baidu
<p><font size="4">8.The SAS data set named WORK.SALARY contains 10 observations for each department,and is currently ordered by Department. The following SAS program is submitted:<br>
<br>
data WORK.TOTAL; <br>
set WORK.SALARY(keep=Department MonthlyWageRate);<br>
by Department;<br>
if First.Department=1 then Payroll=0; <br>
Payroll+(MonthlyWageRate*12); <br>
if Last.Department=1; <br>
run;<br>
<br>
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<p><font size="4">Which statement is true? <br>
A. The by statement in the DATA step causes a syntax error.<br>
B. The statement Payroll+(MonthlyWageRate*12); in the data step causes a syntax error.<br>
C. The values of the variable Payroll represent the monthly total for each department in the WORK.SALARY data set.<br>
D. The values of the variable Payroll represent a monthly total for all values of WAGERATE in the WORK.SALARY data set.</font></p>
<p><font size="4">Answer: C</font></p>
<p><font size="4">本题同第一题，详细见文章《跟crakman做sas base认证试题（1）》</font></p> <a href="http://hi.baidu.com/crack%5Fman/blog/item/f40e8b8f0e21ebc3fc1f102c.html">阅读全文</a>