| formula.gnls {nlme} | R Documentation |
This method function extracts the nonlinear model formula
associated with object.
formula(object)
object |
an object inheriting from class gnls, representing
a generalized nonlinear least squares fitted model. |
a two-sided formula specifying the nonlinear model used to
obtain object.
Jose Pinheiro and Douglas Bates
data(Soybean)
fm1 <- gnls(weight ~ SSlogis(Time, Asym, xmid, scal), Soybean,
weights = varPower())
formula(fm1)