跟crakman做sas base认证试题（13）

shiyiming

From crackman's blog on Baidu


               
                <p><font size="4">13.The following SAS program is submitted:<br>
<br>
data WORK.TEST;<br>
&nbsp;&nbsp;&nbsp;  set WORK.MEASLES(keep=Janpt Febpt Marpt); <br>
&nbsp;&nbsp;&nbsp;  array Diff{3}  Difcount1-Difcount3;<br>
&nbsp;&nbsp;&nbsp;  array Patients{3} Janpt Febpt Marpt;<br>
run; <br>
<br>
What new variables are created?<br>
&nbsp;&nbsp;&nbsp;&nbsp;  A. Difcount1, Difcount2 and Difcount3<br>
&nbsp;&nbsp;&nbsp;&nbsp;  B. Diff1, Diff2 and Diff3<br>
&nbsp;&nbsp;&nbsp;&nbsp;  C. Janpt, Febpt, and Marpt <br>
&nbsp;&nbsp;&nbsp;&nbsp;  D. Patients1, Patients2 and Patients3</font></p>
<p><font size="4">Answer: A</font></p>
<p><font size="4">在编译过程中，SAS直接在PDV中，加入ARRAY里面定义的变量。</font></p> <a href="http://hi.baidu.com/crack%5Fman/blog/item/f659c2eb1dab0826adafd5cf.html">阅读全文</a>
               
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