vcov-methods Methods for Function vcov in Package stats4
 Description
Extract the approximate variance-covariance matrix from "mle" objects. 
Methods
- signature(object = "ANY")
- 
Generic function: see vcov.
- signature(object = "mle")
- 
Extract the estimated variance-covariance matrix for the estimated parameters (if any). 
    Copyright (©) 1999–2012 R Foundation for Statistical Computing.
Licensed under the GNU General Public License.