Returns the hessian of the opposite of the log-likelihood evaluated at the passed parameters.
hessian(object, parameters)
# S4 method for diseq_basic
hessian(object, parameters)
# S4 method for diseq_directional
hessian(object, parameters)A model object.
A vector of parameters at which the hessian is to be evaluated.
The opposite of the model log likelihood's hessian.