Get a named variance-covariance matrix from a model object (internal function)
get_vcov(model, ...)# S3 method for default
get_vcov(model, ...)
# S3 method for polr
get_vcov(model, ...)
# S3 method for glimML
get_vcov(model, ...)
# S3 method for multinom
get_vcov(model, ...)
# S3 method for crch
get_vcov(model, ...)
# S3 method for scam
get_vcov(model, ...)
Model object
Additional arguments are pushed forward to predict()
.
A named square matrix of variance and covariances. The names must match the coefficient names.