formula.modelStruct {nlme}R Documentation

Extract modelStruct Object Formula

Description

This method function extracts a formula from each of the components of x, returning a list of formulas.

Usage

formula(x, ...)

Arguments

x an object inheriting from class modelStruct, representing a list of model components, such as corStruct and varFunc objects.
... some methods for this generic require additional arguments. None are used in this method.

Value

a list with the formulas of each component of x.

Author(s)

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

See Also

formula

Examples

lms1 <- lmeStruct(reStruct = reStruct(pdDiag(diag(2), ~age)),
   corStruct = corAR1(0.3))
formula(lms1)

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