varComb {nlme} | R Documentation |
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 ...
.
varComb(...)
... |
objects inheriting from class varFunc representing
variance function structures. |
a varComb
object representing a combination of variance
functions, also inheriting from class varFunc
.
Jose Pinheiro and Douglas Bates
varWeights.varComb
, coef.varComb
library(nlme) vf1 <- varComb(varIdent(form = ~1|Sex), varPower())