R help - Oct 2012 - Geographical Interpolation functions

Hi
I am comparing different interpolation methods on climate data. I have  
found quite a few functions (e.g. spline and kriging) but I wonder if  
Nearest-neighbor interpolation and Natural neighbor function are  
available in an R package?

Thanks,

Camilo

Camilo Mora, Ph.D.
Department of Geography, University of Hawaii
Currently available in Colombia
Phone:   Country code: 57
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http://www.soc.hawaii.edu/mora/