Hi Christoph,

Try ?Tps in the fields package for a thin plate spline interpolation.

Pierre

2009/9/23 Christoph Hofer <christoph.hofer@env.ethz.ch>

> Dear list
>
>
> I am looking for a function that interpolate data points z in the
> x,y-plane.
> For the one-dimensional case this would be a "natural cubic spline". Is
> there
> a package where I find a function for "natural thin plate splines" for
> interpolation?
>
> I found in the akima package the function interp. But this is not a thin
> plate spline interpolation.
>
>
> Best regards
>
>
> Christoph Hofer
>
>
>
>
>
> ____________________________
> ____________________________
> ETH Zurich
> Christoph Hofer
> Soil and Terrestrial Environmental Physics
> Institute of Terrestrial Ecosystems
> CHN E 50.2
> Universitätstrasse 16
> 8092 Zurich, Switzerland
> phone         (+41) - (0)44 - 633 63 65
> fax               (+41) - (0)44 - 633 11 23
> e-mail: christoph.hofer@env.ethz.ch
>
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