vcov.zibellreg {bellreg}

R Documentation

Covariance of the regression coefficients

Description

Covariance of the regression coefficients

Usage

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

Arguments

object	an object of the class bellreg
...	further arguments passed to or from other methods.

Value

the variance-covariance matrix associated with the regression coefficients.

Examples

fit <- zibellreg(cells ~ smoker + gender|smoker + gender, data = cells)
vcov(fit)

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