nlme (version 3.1-78)

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

## S3 method for class 'lmList':
getGroups(object, form, level, data, sep)

Value

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

See Also

lmList

Examples

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