Global Macro vs Local Macro

是 否 +2 论坛币

k人 参与回答

经管之家送您一份

应届毕业生专属福利!

求职就业群

赵安豆老师微信：zhaoandou666

经管之家联合CDA

送您一个全额奖学金名额~ !

立即领取

感谢您参与论坛问题回答

经管之家送您两个论坛币！

+2 论坛币

The following SAS program is submitted:

%let a=cat;

%macro animal(a=frog);
    %let a=bird;
%mend;

%animal(a=pig)
%put a is &a;

Which one of the following is written to the SAS log?
(A) a is &a
(B) a is cat
(C) a is pig
(D) a is bird

Answer is B. But why D is not correct? Thanks.

扫码加我 拉你入群

请注明：姓名-公司-职位

以便审核进群资格，未注明则拒绝

分享0 收藏0 回帖

关键词：Global Macro Local lobal acr following correct written animal

http://saslist.com/hssnow/2011/02/09/sas-macro-symbol-table-1/