Re: st: lrtest is not appropriate with survey estimation results

[Richard Williams <Richard.A.Williams.5@ND.edu>]

At 12:14 AM 10/31/2007, Moises Rosas (w) wrote:
> Dear Statalisters
>
> When trying to perform a likelihood ratio test on two
> nested models the following error message is shown:
>
> lrtest is not appropriate with survey estimation
> results
>
> How can I perform such a test?
>
> TIA
>
> Moises Rosas
Generally you do a Wald test instead.  So, for example, if model 1 
has x1, x2, and x3, and model 2 has x1, x2, x3, x4 and x5, you 
estimate model 2 and then type

test x4 x5

You can also use the nestreg prefix, e.g.

nestreg: svy: reg y (x1 x2 x3) (x4 x5)


-------------------------------------------
Richard Williams, Notre Dame Dept of Sociology
OFFICE: (574)631-6668, (574)631-6463
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EMAIL:  Richard.A.Williams.5@ND.Edu
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