vcov.fastCUB: S3 method vcov() for class "fastCUB"
Description
S3 method: vcov for objects of class fastCUB
.
Usage
# S3 method for fastCUB
vcov(object, ...)
Value
Variance-covariance matrix of the final ML estimates for parameters of the fitted CUB model.
It is computed on the basis of Louis' identity within the EM algorithm.
Arguments
- object
An object of class fastCUB
- ...
Other arguments