Extract Variance Function Weights
The inverse of the standard deviations corresponding to the variance
function structure represented by object
are returned.
varWeights(object)
object |
an object inheriting from class |
if object
has a weights
attribute, its value is
returned; else NULL
is returned.
José Pinheiro and Douglas Bates bates@stat.wisc.edu
Pinheiro, J.C., and Bates, D.M. (2000) "Mixed-Effects Models in S and S-PLUS", Springer.
vf1 <- varPower(form=~age) vf1 <- Initialize(vf1, Orthodont) coef(vf1) <- 0.3 varWeights(vf1)[1:10]
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