* 질문 : http://cafe.daum.net/statsas/B3m/14966
data back;
input id $ text $;
cards;
001 abcd
001 anh
001 kij
002 kjih
002 juhi
003 kjih
003 hgbf
003 yh
003 jhyd
003 yhgf
;
data back1;
set back;
by id;
length new_var $50.;
retain new_var ;
if first.id then new_var='';
new_var= catx('/',new_var,text);
if last.id then output;
drop text;
run;
다음을 참조해 보시기를 바랍니다.
* 참고 http://cafe.daum.net/statsas/3F8j/117;
* 참조 : http://cafe.daum.net/statsas/3F8j/109;
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