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

Giam Xingli giam at nus.edu.sg
Tue Apr 7 12:46:11 CEST 2009


Hi Kevin,
 
I need the studentized residuals. In linear models, they can be computed by using rstudent( ) function, but there seems to be no such function for nls( ) output.
 
Alternatively, it'll be helpful if I could compute the leverage values.
 
Best,
Xingli


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