48.The following SAS program issubmitted:
data WORK.TEST;
drop City;
infile datalines;
input
Name $ 1-14 /
Address $ 1-14 /
City $ 1-12 ;
if City='New York ' then input @1State $2.;
else input;
datalines;
Joe Conley
123 Main St.
Janesville
WI
Jane Ngyuen
555 Alpha Ave.
New York
NY
Jennifer Jason
666 Mt. Diablo
Eureka
CA
;
————————
我觉得编译过程的时候,这个CITY应该是会DROP掉的。
但看CRACKMAN的解释是这个结果:
Name Address State -------------- ---------------- ------Joe Conley 123 Main St. Jane Ngyuen 555 Alpha Ave. NYJennifer Jason 666 Mt. Diablo