beezdemand (version 0.2.0)

anova.beezdemand_hurdle: ANOVA Method for Hurdle Demand Models

Description

Compare nested hurdle demand models using likelihood ratio tests.

Usage

# S3 method for beezdemand_hurdle
anova(object, ...)

Value

An object of class anova.beezdemand containing:

table

Data frame with model comparison statistics

lrt

Likelihood ratio test results

Arguments

object

A beezdemand_hurdle model.

...

Additional beezdemand_hurdle models to compare.

Details

All models must be fit to the same data. Models are ordered by degrees of freedom, and sequential likelihood ratio tests are performed.

Examples

# \donttest{
data(apt)
fit2 <- fit_demand_hurdle(apt, y_var = "y", x_var = "x", id_var = "id",
                          random_effects = c("zeros", "q0"))
fit3 <- fit_demand_hurdle(apt, y_var = "y", x_var = "x", id_var = "id",
                          random_effects = c("zeros", "q0", "alpha"))
anova(fit2, fit3)
# }