I have fit a model with a more complex covariance structure, but the fit
reports a false convergence. I have read from past posts that this can be an
indication of over-specification. I went ahead and fit a model with a simpler
covariance structure. It doesn't seem like I can compare the two likelihoods
or the AIC or BIC to compare the two model since the one model had false
convergence. Is this correct? If so, what would be a good approach to
comparing the two models to validate the smaller model?
Thanks for the time.
Todd Remund
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