vcov.bife extracts the covariance matrix of the
structural paramters from objects returned by bife
# S3 method for bife
vcov(object, corrected = TRUE, ...)an object of class bife.
an optional logical flag that specifies whether the covariance
matrix of the bias-corrected or uncorrected structural parameters
are displayed. Default is TRUE (bias-corrected).
other arguments
The function vcov.bife returns a named covariance matrix of the
structural parameters.