foreach f in "C:\Users\Administrator\Desktop\新\dta\merge(ind).dta" "C:\Users\Administrator\Desktop\新\dta\merge2009.dta" "C:\Users\Administrator\Desktop\新\dta\merge2010.dta" {
use `f'
replace mc=mc/100
replace profit=profit/100
gen size1=exp(size)
gen size=size1/100
drop size1
reg mc lever e y
est store a1`f'
reg mc lever size fixed e y
est store a2`f'
keep if ind==1
reg mc lever size fixed e y
est store a3`f'
esttab a1`f' a2`f' a3`f' using a.rtf, append
clear
}
之前运行都正常,到最后一行“}”时出现错误:unvalid '(' r(198)
这是怎么回事呀,请高手们知道一下。非常谢谢!