Combination of Variance Functions

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 ....

Usage

varComb(...)

Arguments

Value

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

Author(s)

Jose Pinheiro Jose.Pinheiro@pharma.novartis.com and Douglas Bates bates@stat.wisc.edu

See Also

varWeights.varComb, coef.varComb

Examples

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