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Re: st: Dependent variable in a tobit model
From
Clive Nicholas <[email protected]>
To
[email protected]
Subject
Re: st: Dependent variable in a tobit model
Date
Tue, 16 Nov 2010 18:45:13 +0000
Austin Nichols replied to Estrella Gomez:
[...]
> drawnorm x e, n(100) clear seed(1)
> g y=round(exp(x-5+e),.01)
> g lny=ln(y)
> g ly=max(lny,ln(.005))
> tobit ly x, ll(`=ln(.005)')
> heckman lny x, sel(x)
> g y2=ln(y+.005)
> g y1=ln(y-.005)
> intreg y1 y2 x