nlme (version 3.1-39)

formula.lmList: Extract lmList Object Formula

Description

This method function extracts the common linear model formula associated with each lm component of x.

Usage

## S3 method for class 'lmList':
formula(x, \dots)

Arguments

x

an object inheriting from class lmList, representing a list of lm objects with a common model.

...

some methods for this generic require additional arguments. None are used in this method.

Value

• a two-sided linear formula specifying the linear model used to obtain the lm components of x.

See Also

lmList

Examples

data(Orthodont)
fm1 <- lmList(distance ~ age | Subject, Orthodont)
formula(fm1)