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标题: 跟crakman做sas base认证试题（56） [打印本页]

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作者: shiyiming    时间: 2010-11-13 11:37
标题: 跟crakman做sas base认证试题（56）
From crackman's blog on Baidu


               
                <p><font size="4">56.The following output is created by the FREQUENCY procedure:<br>
<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  The FREQ Procedure <br>
<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  Table of region by product<br>
<br>
  region&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  product<br>
<br>
  Frequency| <br>
  Percent  | <br>
  Row Pct  | <br>
  Col Pct  |corn&nbsp;&nbsp;&nbsp;  |cotton  |oranges |  Total <br>
  ---------+--------+--------+--------+<br>
  EAST&nbsp;&nbsp;&nbsp;&nbsp;  |&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  2 |&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  1 |&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  1 |&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  4 <br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  |  22.22 |  11.11 |  11.11 |  44.44 <br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  |  50.00 |  25.00 |  25.00 |<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  |  50.00 |  33.33 |  50.00 |<br>
  ---------+--------+--------+--------+<br>
  SOUTH&nbsp;&nbsp;&nbsp;  |&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  2 |&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  2 |&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  1 |&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  5 <br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  |  22.22 |  22.22 |  11.11 |  55.56 <br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  |  40.00 |  40.00 |  20.00 |<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  |  50.00 |  66.67 |  50.00 |<br>
  ---------+--------+--------+--------+<br>
  Total&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  4&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  3&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  9 <br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  44.44&nbsp;&nbsp;&nbsp;  33.33&nbsp;&nbsp;&nbsp;  22.22&nbsp;&nbsp;  100.00 <br>
<br>
Which TABLES statement was used to completed the following program<br>
that produced the output?<br>
<br>
  proc freq data=sales;<br>
  &lt;_insert_code_&gt; <br>
  run;</font></p>
<p><font size="4">&nbsp;&nbsp;&nbsp;&nbsp;  A. tables region product;<br>
&nbsp;&nbsp;&nbsp;&nbsp;  B. tables region,product<br>
&nbsp;&nbsp;&nbsp;&nbsp;  C. tables region/product;<br>
&nbsp;&nbsp;&nbsp;&nbsp;  D. tables region*product;</font></p>
<p><font size="4">Answer: D</font></p>
<p><font size="4">这里考察的是FREQ过程中TABLE语句。<br>
看看官方的解释：<br>
</font><a href="http://support.sas.com/documentation/cdl/en/procstat/63104/HTML/default/viewer.htm#procstat_freq_sect010.htm"><font size="4"><!-- m --><a class="postlink" href="http://support.sas.com/documentation/cdl/en/procstat/63104/HTML/default/viewer.htm#procstat_freq_sect010.htm">http://support.sas.com/documentation/cd ... ect010.htm</a><!-- m --></font></a><br>
<font size="4"> <br>
不过可以思考一下如果是第二个语句，结果会是如何？</font></p> <a href="http://hi.baidu.com/crack%5Fman/blog/item/778ac384232d50c79023d97a.html">阅读全文</a>
               
                <br/><b>类别：</b><a href="http://hi.baidu.com/crack%5Fman/blog/category/%B8%FAcrackman%D7%F6sas%20base%C8%CF%D6%A4%CA%D4%CC%E2">跟crackman做sas base认证试题</a>&nbsp;<a href="http://hi.baidu.com/crack%5Fman/blog/item/778ac384232d50c79023d97a.html#comment">查看评论</a>

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