| varComb {nlme} | R Documentation |
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
... |
objects inheriting from class |
Value
a varComb object representing a combination of variance
functions, also inheriting from class varFunc.
Author(s)
José Pinheiro and Douglas Bates bates@stat.wisc.edu
References
Pinheiro, J.C., and Bates, D.M. (2000) "Mixed-Effects Models in S and S-PLUS", Springer.
See Also
varClasses,
varWeights.varComb,
coef.varComb
Examples
vf1 <- varComb(varIdent(form = ~1|Sex), varPower())
[Package nlme version 3.1-165 Index]