求一道adv题的正确答案

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收藏 2009-03-08

Given the sas data set:

One group sum

A 765

B 123

C 564

The following sas program is submitted:

data _null_;

set one;

cal 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

在A00-202上面答案是B。在A00-212上面答案是A。请问到底哪个答案是正确的。谢谢。

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2009-3-8 15:30:00

A is the correct answer.because the first input the group is 765

[此贴子已经被作者于2009-3-8 16:13:11编辑过]

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2009-3-9 02:25:00

The program stops in the first iteration after executing the statement:
cal symput(group,sum); because of the STOP statement.

If there is no STOP statement, the program run to the last record.
Therefore, the correct answer will be B.

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