The contents of the raw data file PRODUCT are listed below:
----|----10---|----20---|----30
24613 $25.31
The following SAS program is submitted:
data inventory;
infile 'product';
input idnum 5. @10 price;
run;
Which one of the following is the value of the PRICE variable?
A. 25.31
B. $25.31
C. . (missing numeric value)
D. No value is stored as the program fails to execute due to errors.
Answer: C
这个到底是C还是A?
不知道为什么看了两种答案一说是C一说是A
同时。。求问。。
小白,只想拿base证,看了50,70,123还有一点little SAS, 悬吗??
刚刚看到有贴说有18-28题都不是这里面的,hin虚。。。