sxianxiang 发表于 2023-2-3 00:15
这个是回归系数的图,怎么会这样啊,这是什么意思,全部分布在0了
cap erase\"simulations,dta\"<br>
permute DID beta = _b[DID] se = _se[DID] df = e(df_r),reps(500) rseed(123) saving(\"simulations.dta\"):reghdfe GTI DID,absorb(Code Year) vce(cluster Code)<br>
*回归系数绘图<br>
use \"simulations\",clear<br>
gen t_value = beta/se<br>
gen p_value = 2*ttail(df,abs(beta/se))<br>
dpplot beta,xline(-2.520,lc(black*0.5) lp(dash)) xline(0,lc(black*0.5) lp(solid)) xlabel(-3(0.5)3) xtitle(\"Estimator\",size(*0.8)) xlabel(,format(%4.1f) labsize(small)) ytitle(\"Density\",size(*0.8)) ylabel(,nogrid format(%4.1f) labsize(small)) note(\"\") caption(\"\") graphregion(fcolor(white))