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acervulina (acervulina) 于 (Sat Jul 4 13:17:26 2009, 美东) 提到:
23.
Give the SAS data set one:
Group Sum
A 765
B 123
C 564
The following SAS program is submitted:
data_null_;
set one;
call symput(group, sum);
stop;
run;
what is the result when the program finishes execution?
A: Macro variable A has a value of 765;
B: Macro variable C has a value of 564;
C: Macro variable group has a value of 564,
D: Macro variable group has a value of sum.
Answer: A
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