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标题:
跟crakman做sas base认证试题(47)
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作者:
shiyiming
时间:
2010-11-12 23:30
标题:
跟crakman做sas base认证试题(47)
From crackman's blog on Baidu
<p><font size="4">47.The following output is created by the FREQUENCY procedure: <br>
<br>
The FREQ Procedure <br>
<br>
Table of region by product<br>
<br>
region product <br>
<br>
Frequency|<br>
Percent |<br>
Row Pct |<br>
Col Pct |corn |cotton |oranges | Total<br>
---------+--------+--------+--------+<br>
EAST | 2 | 1 | 1 | 4<br>
| 22.22 | 11.11 | 11.11 | 44.44<br>
| 50.00 | 25.00 | 25.00 |<br>
| 50.00 | 33.33 | 50.00 |<br>
---------+--------+--------+--------+<br>
SOUTH | 2 | 2 | 1 | 5<br>
| 22.22 | 22.22 | 11.11 | 55.56<br>
| 40.00 | 40.00 | 20.00 |<br>
| 50.00 | 66.67 | 50.00 |<br>
---------+--------+--------+--------+<br>
Total 4 3 2 9<br>
44.44 33.33 22.22 100.00<br>
<br>
Which TABLES option(s) would be used to eliminate the<br>
row and column counts and just see the frequencies and percents?</font></p>
<p><font size="4"> A. norowcount nocolcount<br>
B. freq percent<br>
C. norow nocol<br>
D. nocounts</font></p>
<p><font size="4">Answer: C<br>
本题考察的是PROC FREQ过程步中TABLE语句的参数。<br>
答案是NOROW NOCOL。<br>
具体看官方解释:<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></p> <a href="http://hi.baidu.com/crack%5Fman/blog/item/cf0e5839324001fe3c6d9784.html">阅读全文</a>
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