gvif {ProSGPV}

gvif: Get GVIF for each variable

Description

Get generalized variance inflation factor (GVIF) for each variable. See Fox (1992) doi: 10.1080/01621459.1992.10475190 for more details on how to calculate GVIF.

Usage

gvif(mod, family)

Arguments

mod

A model object with at least two explanatory variables

family

A description of the error distribution and link function to be used in the model. It can take the value of ⁠\code{gaussian}⁠, ⁠\code{binomial}⁠, ⁠\code{poisson}⁠, and ⁠\code{cox}⁠.

Value

A vector of GVIF for each variable in the model