Robust sandwich variance estimator for modified Poisson

Source: R/04_fit_yreg_outcome_modeling.R

Provide robust sandwich variance-covariance estimate using sandwich.

# S3 method for 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.