extract.lmeDesign {RLRsim} | R Documentation |
These functions extract various elements of the design of a fitted
lme
-, mer
or lmerMod
-Object. They are called by
exactRLRT
and exactLRT
.
extract.lmeDesign(m)
m |
a fitted |
a a list with components
Vr
estimated covariance of the random effects divided by the
estimated variance of the residuals
X
design of the fixed effects
Z
design of the random effects
sigmasq
variance of the residuals
lambda
ratios of the variances of the random effects and the
variance of the residuals
y
response variable
Fabian Scheipl, extract.lmerModDesign
by Ben Bolker.
Many thanks to Andrzej Galecki and Tomasz Burzykowski for bug fixes.
library(nlme)
design <- extract.lmeDesign(lme(distance ~ age + Sex, data = Orthodont,
random = ~ 1))
str(design)