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A simple summary in R of a cumulative link mixed model (CLMM) provides the AIC value - does anyone know how to find the BIC of CLMMs though? There is not a method listed anywhere in the Ordinal package documentation. I'd like to be able to report both.

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  • $\begingroup$ Which language are you using? Wiki'ing BIC will get you the definition as well as some properties. If you're asking about how to find it in a package you're probably in the wrong spot. $\endgroup$ Dec 7, 2017 at 2:39

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If you have the AIC it is trivial to compute the BIC. AIC is just -2LL + 2k where k is the number of parameters and LL is the loglikelihood, and the BIC is -2LL + log(n)k, where n is the sample size.

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