[R] Smoothing 3 D data

From: Ruby_Stanford <hiranakshidevi_at_gmail.com>
Date: Tue, 08 Apr 2008 12:30:49 -0700 (PDT)

Hey. I have a set of data points (x1,y1,z1;

x2,y2,z2;...........................xn,yn,zn). I need to smooth these in 3D.
For example if these were in 2 D then one would use inverse distance weighting or moving averages. Does anyone know of any funtion in R that can be used to do this (Using 3D data as mine)?
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