ordinalCont (version 0.4)

vcov.ocmm: Variance-Covariance Matrix for a Fitted Continuous Ordinal Mixed Model Object

Description

Calculates variance-covariance matrix for a fitted ocmm object

Usage

"vcov"(object, ...)

Arguments

object

an ocmm object

...

further arguments to be passed to methods

Value

Variance-covariance matrix of model parameters

Details

For the generalized logistic g-function, the variance-covariance matrix of model parameters is of dimension (len_beta +4)x(len_beta +4), where len_beta is the number of beta coefficients in the model.

See Also

ocmm

Examples

## Not run: 
# fit.overall.rnd  <- ocmm(overall  ~ cycleno + age + bsa + treatment + (1|randno), data=ANZ0001)
# vcov(fit.overall.rnd)
# ## End(Not run)