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
data(Loblolly) fm1 <- nlme(height ~ SSasymp(age, Asym, R0, lrc), data = Loblolly, fixed = Asym + R0 + lrc ~ 1, random = Asym ~ 1, start = c(Asym = 103, R0 = -8.5, lrc = -3.3)) formula(fm1)