跟crackman做sas adv认证试题（14）

shiyiming

From crackman's blog on Baidu


               
                <p><font size="4" face="宋体">The following SAS program is submitted:<br>
<br>
  data WORK.NEW;<br>
&nbsp;&nbsp;&nbsp;&nbsp;  do i=1, 2, 3;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  <br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  Next=cats('March' || i );<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  infile XYZ&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  <br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  filevar=Next <br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  end=Eof;&nbsp;&nbsp;&nbsp;&nbsp;  <br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  do until (Eof); <br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  input Dept $ Sales;  <br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  end;  <br>
&nbsp;&nbsp;&nbsp;&nbsp;  end;&nbsp;&nbsp;&nbsp;&nbsp;  <br>
  run; <br>
<br>
  The purpose of the FILEVAR=option on the&nbsp;&nbsp;&nbsp;&nbsp;  <br>
  INFILE statement is to name the variable&nbsp;&nbsp;&nbsp;&nbsp;  <br>
  Next, whose value:&nbsp;&nbsp;&nbsp;  </font></p>
<p><br>
<font size="4" face="宋体">A.<br>
points to a new input file.&nbsp;&nbsp;&nbsp;&nbsp;  <br>
<br>
B.<br>
is output to the SAS data set WORK.NEW.  <br>
<br>
C.<br>
is an input SAS data set reference.&nbsp;&nbsp;  <br>
<br>
D.<br>
points to an aggregate storage location. </font></p>
<p><font size="4" face="宋体">答案：A</font></p>
<p><font size="4" face="宋体">关于INFILE FILE等参考下面几篇文献<br>
</font><a href="http://www2.sas.com/proceedings/forum2008/166-2008.pdf"><font size="4" face="宋体"><!-- m --><a class="postlink" href="http://www2.sas.com/proceedings/forum2008/166-2008.pdf">http://www2.sas.com/proceedings/forum2008/166-2008.pdf</a><!-- m --></font></a><br>
<a href="http://support.sas.com/techsup/technote/ts581.pdf"><font size="4" face="宋体"><!-- m --><a class="postlink" href="http://support.sas.com/techsup/technote/ts581.pdf">http://support.sas.com/techsup/technote/ts581.pdf</a><!-- m --></font></a></p>
<p><font size="4"><br>
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