proc sort data=a; by date country; run;
proc sort data=b; by date country; run;
data final;
merge a(in=ia) b(in=ib);
by date country;
if ia and ib;
run;
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楼主: 爱笑的眼睛ゝ
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1038
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求助SAS程序问题 |
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硕士生 15%
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