formula.nls
Extract Model Formula from nls Object
Returns the model used to fit object
.
- Keywords
- models
Usage
# S3 method for nls
formula(x, …)
Arguments
- x
an object inheriting from class
"nls"
, representing a nonlinear least squares fit.- …
further arguments passed to or from other methods.
Value
a formula representing the model used to obtain object
.
See Also
Examples
library(stats)
# NOT RUN {
fm1 <- nls(circumference ~ A/(1+exp((B-age)/C)), Orange,
start = list(A = 160, B = 700, C = 350))
formula(fm1)
# }
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