See the help for the interp() function in the akima package. It has some examples that should be reasonably easy to follow.
-Don At 2:48 PM +0200 9/12/07, Andre Jung wrote: >Hello, > >I'm dealing with the following problem: > >I have a table with x and y coordinates and corresponding values of a >mineral concentration, let's call it z. > >Can someone provide me a short step-by-step manual for the steps >necessary to get a contour map? > >How to sort and interpolate my matrix to an equidistant grid which can >afterwards be plotted by contour(x,y,z)? (e.g. fill the missing >locations with NAs.) > >Thanks, guys. > >_______________________________________________ >R-sig-Geo mailing list >[email protected] >https://stat.ethz.ch/mailman/listinfo/r-sig-geo -- -------------------------------------- Don MacQueen Environmental Protection Department Lawrence Livermore National Laboratory Livermore, CA, USA 925-423-1062 _______________________________________________ R-sig-Geo mailing list [email protected] https://stat.ethz.ch/mailman/listinfo/r-sig-geo
