[R] bivariate function in gam model

[ben@zoo.ufl.edu]

  I don't know, but would the thin-plate splines in the funfit library do
what you need?

  Ben Bolker

On Wed, 16 May 2001, Daniel A. Powers wrote:

>
> R-users --
>
> I would be interested in tools in R to fit the following gam model:
>
> logit(p) = a + f(x1) + f(x2) + f(x1,x2),
>
> where f(x1,x2) defines a surface.
>
> I have looked into the mgcv library, but it seems only to fit models of
> the form:
>
> logit(p) = a + f(x1) + f(x2)
>
> Any ideas?
>
> Cheers,
> Dan
>
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> Dan Powers
> Associate Professor, Sociology
> University of Texas at Austin
>
>
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318 Carr Hall                                bolker at zoo.ufl.edu
Zoology Department, University of Florida    http://www.zoo.ufl.edu/bolker
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