getCovariateFormula {nlme}R Documentation

Extract Covariates Formula

Description

The right hand side of formula(object), without any conditioning expressions (i.e. any expressions after a | operator) is returned as a one-sided formula.

Usage

getCovariateFormula(object)

Arguments

object any object from which a formula can be extracted.

Value

a one-sided formula describing the covariates associated with formula(object).

Author(s)

Jose Pinheiro Jose.Pinheiro@pharma.novartis.com and Douglas Bates bates@stat.wisc.edu

See Also

getCovariate

Examples

getCovariateFormula(y ~ x | g)
getCovariateFormula(y ~ x)
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