# [R] Tps regression question

Thu May 23 00:02:34 CEST 2002

Look at the 2D example for the ozone data set and the 4D example using
BD[,1:4] as input for `x'.   You input a matrix `x' with `d' dimensions
as multiple columns of data (independent variables).

Paola Lecca wrote:
>
> Dear all,
>
> I'm a beginner in spatial regression, therefore, excuse me in advance for
> the stupid question.
>
> I'm using the function Tps of field library. As I read in help, the
> assumed model for this regression is additive  Y = f(X) + e  where f(X)
> is a d dimensional surface.
>
> I have understood that d in not an argument to specify in Tps(x, Y, ...).
>
> How can I obtain d ?
>
> Thanks a lot.
> Paola.
>
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--
___________________________________________________________
Neil E. Klepeis -- School of Public Health, UC Berkeley and
Lawrence Berkeley National Laboratory, Berkeley, CA USA
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