Extract nlme Object Formula
DESCRIPTION:
This method function extracts the nonlinear model formula
associated with
object
.
USAGE:
formula(object)
REQUIRED ARGUMENTS:
- object
-
an object inheriting from class
nlme
, representing
a fitted nonlinear mixed-effects model.
VALUE:
a two-sided nonlinear formula specifying the model used to
obtain
object
.
SEE ALSO:
EXAMPLES:
fm1 <- nlme(weight ~ SSlogis(Time, Asym, xmid, scal), data = Soybean,
fixed = Asym + xmid + scal ~ 1, start = c(18, 52, 7.5))
formula(fm1)