Displayed Output

The NLMIXED Procedure

Displayed Output

Fitting Information

Only the smaller-is-better forms of AIC and BIC are now printed in the "Fit Statistics" table. A finite-sample corrected version of AIC (AICC) is also included. The criteria are computed as follows:

$AIC &=& 2f(\hat{\theta}) + 2p \ AICC &=& 2f(\hat{\theta}) + 2pn/(n-p-1) \ BIC &=& 2f(\hat{\theta}) + p \log (s)$

where f() is the marginal likelihood function, $\hat{\theta}$ is the vector of parameter estimates, p is the number of parameters, n is the number of observations, and s is the number of subjects. Refer to Burnham and Anderson (1998) for additional details.

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