Extract gnls Object Formula
Usage
formula(object)
Arguments
object
|
an object inheriting from class gnls , representing
a generalized nonlinear least squares fitted model.
|
Description
This method function extracts the nonlinear model formula
associated with object
.Value
a two-sided formula specifying the nonlinear model used to
obtain object
.Author(s)
Jose Pinheiro and Douglas BatesSee Also
gnls
Examples
library(lme)
data(Soybean)
fm1 <- gnls(weight ~ SSlogis(Time, Asym, xmid, scal), Soybean,
weights = varPower())
formula(fm1)