| formula.nls {stats} | R Documentation |
Returns the model used to fit object.
## S3 method for class 'nls': formula(x, ...)
x |
an object inheriting from class "nls", representing
a nonlinear least squares fit. |
... |
further arguments passed to or from other methods. |
a formula representing the model used to obtain object.
Jose Pinheiro and Douglas Bates
fm1 <- nls(circumference ~ A/(1+exp((B-age)/C)), Orange,
start = list(A=160, B=700, C = 350))
formula(fm1)