<p>global numobs 150<br/>global numsims "1000"</p><p>program define regs,rclass<br/>drop _all<br/>set memory 100m<br/>set obs $numobs<br/>generate error=invnorm(uniform())<br/>generate x=normal()<br/>generate y=10+2*x+error<br/>regress y x<br/>return scalar b1 = _b[_cons]<br/>return scalar b2 = _b[x]<br/>end</p><p>simulate b1=r(b1) b2=r(b2), reps($numsims): regs<br/>summarize b1 b2</p><p>直到Simulate前的命令都好好的</p><p>可一开始模拟，Stata就显示错误。到底哪里错了，怎么都看不出来，请大家帮助了</p>