--- [email protected] wrote:
> 2. In order to compare unrestricted and restricted models,
> I used -lrtest- to do the loglikelihood ratio test. The LR
> chi2() value is negative.
--- I answered:
> This is not normal, so it means you have done something
> wrong. Are you sure that you are comparing comparable models?
--- than [email protected] wrote again
> 2 A is the unrestricted model, B is the restricted model.
> Following is the test result. What's wrong with it?
>
> . lrtest A B
> (log-likelihoods of null models cannot be compared)
>
> Likelihood-ratio test LR chi2(3) = 10.94
> (Assumption: B nested in A) Prob > chi2 = 0.0121
Initially you claimed that the LR chi2() value is negative. Now
you show us an output where it is clearly positive. Ergo, there
never was a problem.
-- Maarten
-----------------------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany
http://home.fsw.vu.nl/m.buis/
-----------------------------------------
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