?loess, mgcv, kriging, ... There must be hundreds. Have you consulted the CRAN "spatial" task view?
-- Bert On Tue, Jun 19, 2012 at 8:34 AM, Guillaume Chapron < carnivorescie...@gmail.com> wrote: > On Jun 19, 2012, at 10:02 AM, David L Carlson wrote: > > kde2d is for two dimensional data. The persp graph is 3d. > > Huh? The question asked about plotting data that was 2d. The third > dimension was to be the density. kde2d in package MASS or the > similarly named function in package KernSmooth would seem to be on > point here. > > No, I don't think that I can use kde2d because the I already have my z > data and it is this z data that I need to smooth. My question is analog to > smoothing level curves on a map, the altitude is given by data, and one > wants to have nice level curves that ignore small variations of the terrain. > > Guillaume > > > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > -- Bert Gunter Genentech Nonclinical Biostatistics Internal Contact Info: Phone: 467-7374 Website: http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
