qic.calc {spind}

Quasi-Information Criterion for Generalized Estimating Equations

Description

A function for calculating quasi-likelihood and Quasi-Information Criterion values based on the method of Hardin & Hilbe (2003).

Usage

qic.calc(formula, family, data, mu, var.robust, var.indep.naive)

Arguments

formula

a model formula

family

gaussian, binomial, or poisson

data

a data frame

mu

fitted values from a model

var.robust

variance of model parameters

var.indep.naive

naive variance of model parameters under the independence model

Value

A list with the following components:

QIC

quasi-information criterion

loglik

quasi-likelihood

References

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.