fitted(object, level, asList)
lme
, representing
a fitted linear mixed-effects model.
object
. Level
values increase from outermost to innermost grouping, with
level zero corresponding to the population fitted values. Defaults to
the highest or innermost level of grouping.
TRUE
and a single
value is given in
level
, the returned object is a list with
the fitted values split by groups; else the returned value is
either a vector or a data frame, according to the length of
level
. Defaults to
FALSE
.
level
, the
returned value is either a list with the fitted values split by groups
(
asList = TRUE
) or a vector with the fitted values
(
asList = FALSE
); else, when multiple grouping levels are
specified in
level
, the returned object is a data frame with
columns given by the fitted values at different levels and the
grouping factors.
Bates, D.M. and Pinheiro, J.C. (1998) "Computational methods for multilevel models" available in PostScript or PDF formats at http://nlme.stat.wisc.edu
fm1 <- lme(distance ~ age + Sex, data = Orthodont, random = ~ 1) fitted(fm1, level = 0:1)