Extract corStruct Object Formula

Usage

formula(object)

Arguments

object an object inheriting from class corStruct representing a correlation structure.

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.

Value

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

Author(s)

Jose Pinheiro and Douglas Bates

See Also

formula

Examples

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


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