| formula.nlme(nlme) | R Documentation |
This method function extracts the nonlinear model formula
associated with object.
formula(object)
object |
an object inheriting from class nlme, representing
a fitted nonlinear mixed-effects model. |
a two-sided nonlinear formula specifying the model used to
obtain object.
Jose Pinheiro and Douglas Bates
library(nlme)
data(Soybean)
fm1 <- nlme(weight ~ SSlogis(Time, Asym, xmid, scal), data = Soybean,
fixed = Asym + xmid + scal ~ 1, start = c(18, 52, 7.5),
control = list(nlmStepMax = 1.0))
formula(fm1)