Akaike Corrected Information Criterion
AICc(object, ...)
If just one object is provided, a numeric value with the corresponding AICC value.
If multiple objects are provided, a data.frame with rows corresponding to the objects and columns representing the number of parameters in the model (df) and the AICC.
a fitted model object for which there exists a logLik method to extract the corresponding log-likelihood.
optionally more fitted model objects.