similar to: S intrp function

== Summary == * Problem: BibTeX entries extracted from R packages via citation() require too much manual editing to be of general use. * Proposal: Date: fields should be made mandatory in package DESCRIPTION files, perhaps beginning with warnings from R CMD check * Proposal: Package authors should be encouraged to use a (new) Contributors: field in the DESCRIPTION file rather than packing all

Hello, I'd like to make a z(x,y) plot for irregularly spaced x,y. What are routines are available in R for this purpose? Thanks, Mark

Hi, I have not been able to find answers to these questions in the FAQs, manuals, or R-help archives. If answers are available somewhere, please direct me to them. 1.) Is there a way to convert a table (e.g. represented as a data frame) to a function, specifying which columns are input and which column is output? It would seem that this would be useful for plotting experimental results,

OK, so I looked through all the archives and still can't find a solution. My server is running RedHat 7.2 with all the latest patches, Samba is also latest 2.2.3a with domain masters set as "yes" and passwords NOT set as encrypt, because when I do turn it on, none of the Win98 boxes can log on (even when I tried to create non-blank password account). All Win98 boxes login

Hi, I have three matrices (X,Y,P) with the same dimension. The X,Y grid is regular and I want to perform linear interpolation to pick out certain points. In matlab appropriate call is something like Pout=interp2(X,Y,P,Xout,Yout, method="linear") where Xout and Yout are the locations where I want the Pout data (typically a different grid). (Scipy has this routine in

Dear all. I am using the akima function to produce 3d contour plots using interp based on irregular data. using the eg in the akima manual library("akima") data(akima) plot(y ~ x, data = akima, main = "akima example data") with(akima, text(x, y, formatC(z,dig=2), adj = -0.1)) ## linear interpolation akima.li <- interp(akima$x, akima$y, akima$z) image (akima.li, add=TRUE)

Hi, I'm currently hunting a bug in the akima library, especially in the code behind the interpp.old function (bi-variate linear interpolation). It is based on a triangulation algorithm, interpolation at a given point needs to know the triangle which contains this point, then the interpolation is a straightforward calculation based on the three vertexes. The problem is: Sometimes the triangle

Dear All I hope that someone can help. I am working with sp pakage and akima library("akima") library(sp) imagine lots of different dataframes, of row = 100 columns = 3 of x and y coordinates with z values I will call these data frames for the sake of this example akima akima<-as.list(1:100) producing 100 dataframes dataframes of the form akima[[i]] I then wish to interp this

Full_Name: Massimo santini Version: 1.0.1 OS: Linux Submission from: (NULL) (159.149.147.89) I've just dl the .rpm of R 1.0.1, installed it and then launched insatll.packages("akima") after re-launching R [--vanilla], the command library(akima) has the only effect to coredump the program. Here is the output of gdb and strace... --- GDB (commands given can be seen from the

The akima package has a problematic license (it doesn't allow commercial use), so it's been recommended that people use the interp package instead. When I use interp::interp instead of akima::interp, I get reasonable output from your example. So that's another reason to drop akima... Duncan Murdoch On 26/01/2023 9:35 a.m., PIKAL Petr wrote: > Dear all > > I have this

Dear R users. Recently I wanted to update my R distribution to the current one (R-2.7.1). I am running a Fedora core 8 distirbution. The installation went fine, but when I tried to add some additional packages the majority made an exit with an error. Only a few least demanding (e.g. RColorBrewer) managed to get through the installation process. What happened between the versions 2.6.x and 2.7.x

Dear all, I was wandering what could be wrong with my system (regularly updated Fedora core 8) so that installing packages does not succeed with almost every package. I follow the procedure specified in the help file R-admin section 6.3. This is not a feature new to the current version but happened (to me) in the previous version as well. Additionally R-help html pages try to follow wrong links

Dear all I have this table > dput(mat) mat <- structure(c(2, 16, 9, 2, 16, 1, 1, 4, 7, 7, 44.52, 42.8, 43.54, 40.26, 40.09), dim = c(5L, 3L)) And I want to calculate result for contour or image plots as I did few years ago. However interp does not compute the z values and gives me zeros in z matrix. library(akima) > interp(mat[,1], mat[,2], mat[, 3], nx=5, ny=5) $x [1] 2.0 5.5

I got the Warning message below when I tried to load Locfit. What is wrong? Regards Ola Asteman ------------------------------------------------------------------------------------------------------ R version 2.4.0 (2006-10-03) Copyright (C) 2006 The R Foundation for Statistical Computing ISBN 3-900051-07-0 R is free software and comes with ABSOLUTELY NO WARRANTY. You are welcome to

Full_Name: Michael R. Allen Version: 1.01 OS: linux redhat Submission from: (NULL) (149.149.32.46) Hello, Thought you might be interested. I tried to load the package tripack needed by the sgeostat package. After some careful searching, three packages were found which had the same error. Here is the output. Mike > library(acepack) Error in dyn.load(x, as.logical(local),

I recently installed R 1.7.1 on Mac OS 10.2.6, and I now need to install the akima package. When I use install.packages(akima) or any variation of that command, I get the following message: Error: couldn't find function "install.packages" (I haven't had any problems with other commands so far, so I don't think there's a problem with the R installation. I also threw

Hi, I am trying to install packages in R-2.2.1 on a Redhat WS4 system. I get the following error messages trying to install, for example, the akima package: > R.version.string [1] "R version 2.2.1, 2005-12-20" > install.packages("akima", lib="/usr/lib/R/library", repos = "http://cran.fhcrc.org/") . . . gcc -shared -L/usr/local/lib -o akima.so

I am trying to load the GRASS library and am getting the following error: > library(GRASS) Loading required package: akima Error: package 'akima' could not be loaded In addition: Warning message: There is no package called 'akima' in: library(pkg, character.only = TRUE, logical = TRUE, lib.loc = lib.loc) This is on R 2.0.0, library(GRASS) is installed, and update.packages()

In a box running Mandrake 9 with R 1.6.2 I get problems when trying to install packages Matrix and Akima. It seems my gcc compiler and fortran do not talk to each other. Thanks in advance for any help, Gelu The errors are: * Installing *source* package 'Matrix' ... checking for gcc... gcc checking for C compiler default output... a.out checking whether the C compiler works... yes

Full_Name: Jonathan Lees Version: 2.0.1 OS: linux-gnu Submission from: (NULL) (152.2.75.65) there is a problem with calculating the convex hull in 2-D interpolation using the codes interp fromt eh akima package: x =c(0.6505304, -1.1821562, -0.2600792, 0.7913716) y = c(1.0424226, 0.1754048, -1.4523334, 0.2349112) z = c(0.000, 3.042, 0.370, 0.122) EX = seq(from=min(x), to=max(x),