vcov.serp {serp}

Variance covariance matrix for a fitted serp object

Description

Provides the Variance covariance matrix of an object of class serp.

Usage

## S3 method for class 'serp'
vcov(object, ...)

Arguments

object

An object of class serp.

...

additional arguments.

Value

A variance covariance matrix of a fitted model.

See Also

serp

serp, anova.serp, confint.serp

Examples

library(serp)
m <- serp(rating ~ temp + contact, slope = "parallel", link = "logit",
           data = serp::wine)
vcov(m)