nlme (version 3.1-1)

getGroups.lmList: Extract lmList Object Groups

Description

The grouping factor determining the partitioning of the observations used to produce the lm components of object is extracted.

Usage

getGroups(object)

Arguments

object

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

Value

• a vector with the grouping factor corresponding to the lm components of object.

See Also

lmList

Examples

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