vcov.regmedint_mod_poisson {regmedint}

Robust sandwich variance estimator for modified Poisson

Description

Provide robust sandwich variance-covariance estimate using sandwich.

Usage

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

Arguments

object

A model object of the class regmedint_mod_poisson

...

For compatibility with the generic.

Value

A variance-covariance matrix using the sandwich.