longxingtx8 发表于 2016-5-12 16:47
gen lnY_add=ln(chanchu)
gen lnK=ln(zibentouru)
gen lnL=ln(num)
兄台,参考你的语句 xi: opreg lny , exit(exit) state(age lnk) proxy(lni) free(lnl ) vce(bootstrap, seed(10) reps(5)).得到了估计。但是如果按照年份或者产业来进行回归,如何做呢?
按照前面兄弟的代码,在样本数据中设置了产业代码变量cic.
xtset id year
gen exit=0
replace exit=1 if id[_n]!=id[_n+1]&year!=2011
forvalues x=1/2{
disp `x'
opreg lny if cic==`x', exit(exit) state(age lnk) proxy(lni) free(lnl ) vce(bootstrap, seed(10) reps(5))
}.最终的结果是an error occurred when bootstrap executed opreg。
具体是:
(running opreg on estimation sample)
an error occurred when bootstrap executed opreg
r(2000);
end of do-file
发愁了两天了?如何调整呢?