z*********o
发帖数: 541 | 1 The following SAS program is submitted:
proc freq data = sales;
A00-211
- 31 - http://www.ePlanetLabs.com
run;
Click the Exhibit button to view the output from the FREQ procedure.
Which one of the following statements completes the program and produces
the output?
A. tables region product;
B. tables region * product;
C. tables product region;
D. tables product * region;
Answer: B
C 为何不对呢？c可以解释为只对variables products and region做分析。错的原因在
哪呢？ |
a********g
发帖数: 651 | 2 A and C are same just give you individual tables
but B and D give you 2 by 2 table. |
z*********o
发帖数: 541 | 3 那答案只是B呢？
【在 a********g 的大作中提到】
: A and C are same just give you individual tables
: but B and D give you 2 by 2 table.
|
h***s
发帖数: 23 | 4 你的题目没给全，output的信息没有，应该是决定答案的关键。 |
z*********o
发帖数: 541 | 5 现在才发现练习题给的信息不全。谢谢提醒
【在 h***s 的大作中提到】
: 你的题目没给全，output的信息没有，应该是决定答案的关键。
|
