谢谢指点,我输入以下的命令还要加什么命令可以出现剂量效应图呢?
use
http://nicolaorsini.altervista.org/stata/data/dose.dta, clear
(Dose-response data)
. gen double logor = log(adjor)
. gen double logorlb = log(lb)
. gen double logorub = log(ub)
. gen double se = ((logorub - logorlb)/(2*invnorm(.975)))
. vwls logor dose in 2/4, sd(se) nocons
. mat list e(V)
. glst logor dose, se(se) cov(N case) cc
. mat list e(Sigma)