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nlme (version 3.1-1)

formula.nls: Extract Model Formula from nls Object

Description

Returns the model used to fit object.

Usage

formula(object)

Arguments

object
an object inheriting from class nls, representing a non-linear least squares fit.

Value

  • a formula representing the model used to obtain object.

See Also

nls, formula

Examples

Run this code
data(Orange)
fm1 <- nls(circumference ~ A/(1+exp((B-age)/C)), Orange,
  start = list(A=160, B=700, C = 350))
formula(fm1)

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