[R] How do I calculate r^2 of "SSasymp" non-linear regression model in R?

[Dieter Menne]

zia207 wrote:
> 
> Is it possible to get r^2 value of  "SSasymp" non-linear regression 
> model   in  R.
> 
> 

See Douglas Bates' comments why the lack of r^2 is a feature, not a bug:

http://www.ens.gu.edu.au/ROBERTK/R/HELP/00B/0399.HTML


Dieter

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