bellreg (version 0.0.2.1)

AIC.zibellreg: Akaike information criterion for zibellreg objects

Description

Akaike information criterion for zibellreg objects

Usage

# S3 method for zibellreg
AIC(object, ..., k = 2)

Value

the Akaike information criterion value when a single model is passed to the function; otherwise, a data.frame with the Akaike information criterion values and the number of parameters is returned.

Arguments

object

an object of the class zibellreg.

...

further arguments passed to or from other methods.

k

numeric, the penalty per parameter to be used; the default k = 2 is the classical AIC.

Examples

# \donttest{
library(bellreg)
data(cells)
fit1 <- zibellreg(cells ~ 1|1, data = cells, approach = "mle")
fit2 <- zibellreg(cells ~ 1|smoker+gender, data = cells, approach = "mle")
fit3 <- zibellreg(cells ~ smoker+gender|smoker+gender, data = cells, approach = "mle")
AIC(fit1, fit2, fit3)
# }