varFunc

0th

Percentile

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

varFixed, varWeights.varFunc, coef.varFunc

Aliases
  • varFunc
Examples
library(nlme) vf1 <- varFunc(~age)
Documentation reproduced from package nlme, version 3.1-1, License: GPL version 2 or later

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