J******d
发帖数: 287 | 1 The following SAS program is submitted:
data work.test;
First = 'Ipswich, England';
City = substr(First,1,7);
City_Country = City!!', '!!'England';
run;
Which one of the following is the value of the variable CITY_COUNTRY in the
output data set?
A. Ipswich!!
B. Ipswich, England
C. Ipswich, 'England'
D. Ipswich , England
Answer: D
为什么不是B? | i******n
发帖数: 839 | 2 I guess, reason is that default length of a categorical Variable is 8. | S******y
发帖数: 1123 | 3 length 16
trailing blanks | w*******t
发帖数: 928 | 4 The length of variable City is not defined. So, its length will be decided
by the length of variable First.
The answer should be "Ipswich_________, England'.
the
【在 J******d 的大作中提到】
: The following SAS program is submitted:
: data work.test;
: First = 'Ipswich, England';
: City = substr(First,1,7);
: City_Country = City!!', '!!'England';
: run;
: Which one of the following is the value of the variable CITY_COUNTRY in the
: output data set?
: A. Ipswich!!
: B. Ipswich, England
| J******d
发帖数: 287 | 5 谢谢！
the
【在 J******d 的大作中提到】
: The following SAS program is submitted:
: data work.test;
: First = 'Ipswich, England';
: City = substr(First,1,7);
: City_Country = City!!', '!!'England';
: run;
: Which one of the following is the value of the variable CITY_COUNTRY in the
: output data set?
: A. Ipswich!!
: B. Ipswich, England
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