【sas Notel】merge

 1 data merge_a;
 2     input flight $ supervisor $;
 3     datalines;
 4 145 kang
 5 150 miller
 6 155 evanko
 7 160 yale
 8 ;
 9 run;
10 data merge_b;
11     input flight $ destination $;
12     datalines;
13 145 brussels
14 150 paris
15 155 honolulu
16 ;
17 run;
18 data merged;
19     merge merge_a merge_b;
20     by flight;
21 run;
22 proc print data=merged;
23 run;
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原文地址：https://www.cnblogs.com/colipso/p/2944514.html