Combination of Variance Functions

Usage

varComb(...)

Arguments

... objects inheriting from class varFunc representing variance function structures.

Description

This function is a constructor for the varComb class, representing a combination of variance functions. The corresponding variance function is equal to the product of the variance functions of the varFunc objects listed in ....

Value

a varComb object representing a combination of variance functions, also inheriting from class varFunc.

Author(s)

Jose Pinheiro and Douglas Bates

See Also

varWeights.varComb, coef.varComb

Examples

library(lme)
vf1 <- varComb(varIdent(form = ~1|Sex), varPower())

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