varWeights

Extract Variance Function Weights

The inverse of the standard deviations corresponding to the variance function structure represented by object are returned.

Keywords
models
Usage
varWeights(object)
Arguments
object

an object inheriting from class varFunc, representing a variance function structure.

Value

if object has a weights attribute, its value is returned; else NULL is returned.

References

Pinheiro, J.C., and Bates, D.M. (2000) "Mixed-Effects Models in S and S-PLUS", Springer.

See Also

logLik.varFunc, varWeights

Aliases
  • varWeights
  • varWeights.varComb
  • varWeights.varFunc
Examples
# NOT RUN {
vf1 <- varPower(form=~age)
vf1 <- Initialize(vf1, Orthodont)
coef(vf1) <- 0.3
varWeights(vf1)[1:10]
# }
Documentation reproduced from package nlme, version 3.1-145, License: GPL (>= 2) | file LICENCE

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