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Re: st: coefficicent constriant
From
Scott Merryman <[email protected]>
To
[email protected]
Subject
Re: st: coefficicent constriant
Date
Sat, 28 Dec 2013 20:28:24 -0600
Use -nl-
nl (y = {b1}*x1 + {b2}*x2 + {b1}*{b2}*x3)
Scott
On Sat, Dec 28, 2013 at 8:02 PM, Wang, Fan <[email protected]> wrote:
> Hi All,
>
> I have a very simple model here (Y=b1*X1+b2*X2+b3*X3). I would like to know how I can run this model with a constraint that b3=b1*b2 in Stata. Can anyone help?
>
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