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Re: st: mean group

From   Nick Cox <>
Subject   Re: st: mean group
Date   Wed, 22 Jun 2011 07:30:42 +0100

if dincome==0

is not an option, and so should be typed before the comma.

xtpmg d.gdpg d.lnhh d.lnca d.lnpop d.fl1 if dincome == 0, lr( l2.gdpg
fl1) pmg replace ec(ec)

See the help for -language- for a review of basic Stata syntax.


On Tue, Jun 21, 2011 at 9:00 PM, Nahla Samargandi
<> wrote:

> How I can impose the dummy variable in pmg estimator ,
> if this is my pmg regressions
> xtpmg d.gdpg d.lnhh d.lnca d.lnpop d.fl1, lr( l2.gdpg  fl1) pmg replace ec(ec)
> and
> I want to add
> if dincome==0
> or
>  if dincome==1
> where I can add it in the formula above.

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