varFunc

Variance Function Structure

If object is a one-sided formula, it is used as the argument to varFixed and the resulting object is returned. Else, if object inherits from class varFunc, it is returned unchanged.

Keywords
models
Usage
varFunc(object)
Arguments
object

either an one-sided formula specifying a variance covariate, or an object inheriting from class varFunc, representing a variance function structure.

Value

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

See Also

summary.varFunc, varFixed, varWeights.varFunc, coef.varFunc

Aliases
  • varFunc
Examples
# NOT RUN {
vf1 <- varFunc(~age)
# }
Documentation reproduced from package nlme, version 3.1-145, License: GPL (>= 2) | file LICENCE

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