vcov.probit {sampleSelection} | R Documentation |
Extract variance-covariance matrices of probit
models.
## S3 method for class 'probit': vcov( object, ... )
object |
an object of class probit or maxLik . |
... |
further arguments (currently ignored). |
the estimated variance covariance matrix of the coefficients.
Arne Henningsen, Ott Toomet otoomet@ut.ee