在做两个表格合并的时候,出现这个问题,是什么意思呢use C:\Users\Administrator\Desktop\论文数据\补充数据\stata1998\1998Neth.Antilles.dta,clear
keep if tradeflowcode==1
save "C:\Users\Administrator\Desktop\论文数据\补充数据\stata1998\1998Neth.Antilles1.dta", replace/*佛得角*/
use C:\Users\Administrator\Desktop\论文数据\1998\stata1998\坐标country.dta,clear
merge 1:1 partner using "C:\Users\Administrator\Desktop\论文数据\补充数据\stata1998\1998Neth.Antilles1.dta"
replace Neth. Antilles=altqtyunit
drop tradeflowcode-_merge