Extract the asymptotic variance-covariance matrix of a hisemit object
# S3 method for hisemit
vcov(object, ...)A hisemit object.
Currently not used.
A numerical matrix.
Variance-covariance matrix for the fitted parameters.
Long Qu, Dan Nettleton, Jack Dekkers (2012) A hierarchical semiparametric model for incorporating inter-gene relationship information for analysis of genomic data. Biometrics, 68(4):1168-1177
plot.hisemit, fitted.hisemit, coef.hisemit, vcov.hisemit, residuals.hisemit, logLik.hisemit, confint.hisemit, print.hisemit,
penLik.EMNewton