作者: berry_li 时间: 2014-12-8 17:28
proc sort data=ds;
by match_no group ind;
run;
proc transpose data=ds out=same(where=(col1=col2));
by match_no;
var ind;
run;
data ds;
merge ds(in=a) same(in=b keep=match_no );
by match_no;
if b then in_match=1;
else in_match=0;
run;作者: gogotiger 时间: 2014-12-12 08:38
对不起,可能没说清楚,这是个significence test 问题。