A function for calculating quasi-likelihood and Quasi-Information Criterion values based on the method of Hardin & Hilbe (2003).
qic.calc(formula, family, data, mu, var.robust, var.indep.naive)
a model formula
gaussian
, binomial
, or poisson
a data frame
fitted values from a model
variance of model parameters
naive variance of model parameters under the
independence
model
A list with the following components:
QIC
quasi-information criterion
loglik
quasi-likelihood
Hardin, J.W. & Hilbe, J.M. (2003) Generalized Estimating Equations. Chapman and Hall, New York.
Barnett et al. Methods in Ecology & Evolution 2010, 1, 15-24.