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st: Nlsur Quaids


From   Ana <analunhb@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: Nlsur Quaids
Date   Mon, 18 Jul 2011 19:40:11 -0300

Dear Statalisters (and Brian Poi),

I'm using nlsur Quaids from Brian Poi (2008).
My routine is (the same as Poi's one):

nlsur quaids @ w1 w2 w3 lnp1-lnp4 lnexp, ifgnls nequations(3) param(a1
a2 a3 b1 b2 b3 g11 g12 g13 g22 g23 g33 l1 l2 l3) nolog

I'm trying to compare two models: unrestricted model and restricted model.
My restriction is something like this: `g22' = `g12'*`g13'

The problem is that I'm getting r(198) error when I run the restricted model.
The only thing that I include in the original model is:

tempname `g22'
scalar `g22' = `g12'*`g13'

The mistakes is clearly a syntax one (problably the multiplication is
not correct).

Can anyone help me?
I really appreciate it.

Best regards,
Ana.
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