2009-11-16 15:02:57▫▪►栗可白
sas))11.17
PROC SORT DATA=A1;BY ID ORDER;RUN;
PROC SORT DATA=A2;BY ID ORDER;RUN;
DATA POOL;
MERGE A1 A2;
BY ID ORDER;
IF ID=9613041 OR ID=. THEN DELETE;
RUN;
PROC FREQ;
TABLES SEX GRAD;
RUN;
PROC FREQ;
TABLES GRAD*SEX;
RUN;
合併性