[R] Need help in calculating studentized residuals/leverage values of non-linear model [nls()]

[rkevinburton at charter.net]

Is the output of residuals() the studentized residuals or just the residuals?

---- Dieter Menne <dieter.menne at menne-biomed.de> wrote: 
> Giam Xingli <giam <at> nus.edu.sg> writes:
> 
> >    I hope I can get advice regarding the calculation of leverage values or
> >    studentized residual values of a non-linear regression model. It seems like
> >    rstudent() does not work on a nls object.
> 
> residuals() should work for nls.
> 
> Dieter
> 
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