Extract Model Formula from 'nls' Object (original) (raw)
formula.nls {stats} | R Documentation |
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Description
Returns the model used to fit object
.
Usage
## S3 method for class 'nls'
formula(x, ...)
Arguments
x | an object inheriting from class "nls", representing a nonlinear least squares fit. |
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... | further arguments passed to or from other methods. |
Value
a formula representing the model used to obtain object
.
Author(s)
José Pinheiro and Douglas Bates
See Also
[nls](../../stats/help/nls.html)
, [formula](../../stats/help/formula.html)
Examples
fm1 <- nls(circumference ~ A/(1+exp((B-age)/C)), Orange,
start = list(A = 160, B = 700, C = 350))
formula(fm1)
[Package _stats_ version 4.6.0 Index]