Kuibu 发表于 2022-10-14 22:15 
bys Scode Year: egen Fullcount1=sum(Fullcount)
bys Scode Year: egen Decount1=sum(Decount)
duplica ...
非常感谢!!!我跑出来了!超级感谢!<br>
开始也报错了,得把要计算的两排数字(Fullcount和Decount)弄成数值型。用代码destring Fullcount,replace<br>
destring Fullcount,replace<br>
然后搂主的duplicate后面加个s就能跑出来了