vcov {MASS} | R Documentation |
Returns the variance-covariance matrix.
This is a generic function.
Functions with names beginning in vcov.
will be
methods for this function.
Classes with methods for this function include:
lm
, glm
, nls
.
vcov(x, ...)
x |
a fitted model object. |
... |
additional arguments for method functions. |
a matrix of the estimated covariances between the parameter estimates in the linear or non-linear predictor of the model.