nlme (version 3.1-10)

formula.corStruct: Extract corStruct Object Formula

Description

This method function extracts the formula associated with a corStruct object, in which the covariate and the grouping factor, if any is present, are defined.

Usage

formula(object)

Value

an object of class formula specifying the covariate and the grouping factor, if any is present, associated with object.

See Also

formula

Examples

cs1 <- corCAR1(form = ~ Time | Mare)
formula(cs1)