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