AIC.ZIPLNfit: Akaike Information Criterion for a fitted ZIPLN model

In PLNmodels: Poisson Lognormal Models

Akaike Information Criterion for a fitted ZIPLN model

Description

Computes the variational AIC as loglik - nb_param (larger is better). This follows the maximization convention used throughout PLNmodels.

Usage

## S3 method for class 'ZIPLNfit'
AIC(object, ..., k = 2)

Arguments

object	an R6 object with class ZIPLNfit
...	additional parameters for S3 compatibility. Not used
k	not used, present for S3 compatibility.

Value

A scalar: the variational AIC (larger is better).

Examples

data(trichoptera)
trichoptera <- prepare_data(trichoptera$Abundance, trichoptera$Covariate)
model <- ZIPLN(Abundance ~ 1, data = trichoptera)
AIC(model)

PLNmodels documentation built on July 27, 2026, 5:09 p.m.