Jonathan the BACCO bundle (emulator package) does exactly what you require.
(it's easier to think in terms of the variance matrix than a matrix of distances, tho') HTH Robin On 5 Jul 2007, at 20:07, Jonathan Greenberg wrote: > I'm trying to hunt down an appropriate kriging package for my specific > application, and I was hoping someone on the R list might have some > pointers > -- I'm interested in performing kriging and related spatial > interpolations > with one of the R packages, but I need to be able to provide my own > point-to-point distances (e.g. I do not want to use standard > between point > distances, as calculated by Euclidean or other similar distance > measures). > Is there an R package that *I* can provide the matrix of distances > between > every pair of points (e.g. for 10 points, I would have a 10 x 10 > matrix of > distances)? Similarly, if this is possible, can I then provide > this package > a vector of distances from each point to an arbitrary unknown > location (in > my example, this would be a 1x10 vector) and apply the model to > this vector > to predict a single unknown point? It seems most (if not all) of the > kriging packages I'm finding for R take the x,y,z location as the > inputs and > calculate these distances themselves. Thanks! > > Sincerely, > > Jonathan Greenberg > > -- > Jonathan A. Greenberg, PhD > Postdoctoral Scholar > Center for Spatial Technologies and Remote Sensing (CSTARS) > University of California, Davis > One Shields Avenue > The Barn, Room 250N > Davis, CA 95616 > Cell: 415-794-5043 > AIM: jgrn307 > MSN: [EMAIL PROTECTED] > > ______________________________________________ > R-help@stat.math.ethz.ch 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. -- Robin Hankin Uncertainty Analyst National Oceanography Centre, Southampton European Way, Southampton SO14 3ZH, UK tel 023-8059-7743 ______________________________________________ R-help@stat.math.ethz.ch 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.