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After entering ?library(rpart)?, I tried to plot an existing rpart tree, and got this error message: Error: couldn't find function "plot.rpart". However, ??plot.rpart? does bring up the help for the function. The same things occur for text.rpart, although print(my.tree) does work. So, I tried to re-install rpart using Packages | Install from CRAN, but then I get this

Full_Name: michael cole Version: 1.9.1 OS: Windows Submission from: (NULL) (80.219.153.13) When trying to install lattice graphics... I receieve the following: trying URL `http://cran.r-project.org/bin/windows/contrib/1.9/lattice_0.9-16.zip' Content type `application/zip' length 496618 bytes opened URL downloaded 484Kb package 'lattice' successfully unpacked and MD5 sums

Hi, I have installed R 1.9.0 under Windows XP. When I used "Packages->Install Package(s) from CRAN..." to install the package 'gregmisc', I got this message: > local({a <- CRAN.packages() + install.packages(select.list(a[,1],,TRUE), .libPaths()[1], available=a)}) trying URL `http://cran.r-project.org/bin/windows/contrib/1.9/PACKAGES' Content type `text/plain;

I realize that others have struggled with this issue...i.e. http://tolstoy.newcastle.edu.au/~rking/R/help/05/01/9826.html i am on os.x 10.4 w/ R2.2, and am (perhaps foolishly) also on this quest... i would like to be able to install downloaded source (tar.gz'd) files from within an R session, and have it work in a X-platform way..i am often not connected to the internet and have libraries

Sorry, gmail seemed to have made an attachment out of my first attempted post. Trying again: ------------------------------ At the encouragement of many at UseR, I'm trying to build my first real package. I have no C/Fortran code, just plain old R code, so it should be rocket science. On a Linux box, I used package.skeleton() to create a basic package containing just one "hello

At the encouragement of many at UseR, I'm trying to build my first real package. I have no C/Fortran code, just plain old R code, so it should be rocket science. On a Linux box, I used package.skeleton() to create a basic package containing just one "hello world" type of function. I edited the DESCRIPTION file, changin the package name appropriately. I edited the hello.Rd file.

I'm trying to update my Matrix package given the update last night. But the following error is generated. I've tried restarting R and deleting my old Matrix package. Can anyone suggest how this might be resolved? > install.packages('Matrix') trying URL 'http://www.ibiblio.org/pub/languages/R/CRAN/bin/windows/contrib/2.1/Mat rix_0.98-1.zip' Content type

Hi I have been trawling the web, FAQs, and R manuals for help on the following issue, but have failed and was wondering if anyone has a solution to the following problem: After having installed R 2.6.2 for Windows (binary), I tried to install various packages. Every time I try loading a package (any package) via the built-in menu, I run into the following error message. >

Hi, I am having a problem building binary packages for Windows recently. Normally, I use the "Murdoch-Sutherland" tool set, http://www.murdoch-sutherland.com/Rtools/ just build source packages by R CMD build <pkgname> and install these with R CMD INSTALL <pkgname> But now, for someone without having this tool set installed, under Win XP, with R-2.10dev

Hi There is something weird going on with the "tree" package version 1.0-16. So I want to download an updated tree package. I found that R website has version 1.0-18. I want to try this one and see how the tree algorithm is performing. What is the best way to download tree package version 1.0-18 which can be found in index of src/contrib at www.r-project.org? So far I tried two different

Hello group. I am trying to install fdim on my win2000 os. this command is giving error and I feel I am not using it correctly, could some one show me why. install.packages(fdim, "C:\Program Files\R\rw1081\library" , CRAN = "http://cran.r-project.org", "internal", available = NULL, destdir = "C:\Program Files\R\rw1081\library", installWithVers =

Dear all, i was working under R 1.6.2 but i wanted to install bioconductor under WinXP, and because R 1.7.1 contains the TclTk package and automatic installation of bioconductor packages, so i install it. Everything is fine except this message which appear after the installation of packages. "> local({a<- CRAN.packages(CRAN=getOption("BIOC")) +

I'm looking for the algorithm of the solve function (base package). As I understand the help text neither Linpack nor Lapack's ZESV is used (in the simple example below) but what algorithm is? Something like Gauss Jordan Elimination should be applicable to solve a linear system In particular I want to be able to translate it into i.e. Delphi, but in the example below I'm not

R-devel, SVN revision 35729 (this morning, euro-time) So far, I'm having awful luck with the "installWithVers" flags. Recent example: I can install.packages("lattice", installWithVers=TRUE) successfully (no errors, at least it looks like a successful install), but can't load it: Error in library.dynam(pkg,pkg,lib) : shared library 'lattice_0.12-7' not found

Full_Name: Jari Oksanen Version: R 2.1.0 OS: MacOS 10.3.9 Submission from: (NULL) (130.231.102.145) For various reasons (which need not be expanded here) I have tried to update my long neglected R in MacOS X using handy command line tool update.packages() using readily available binaries of contributed packages at CRAN. However, this fails with message saying that packages xxxx_*_tar.gz is not

It might be my settings or improper use -- but if I use the "installWithVers=TRUE" flag for update.packages(), I don't seem to get updates; and if I use "install.packages(new.packages(),installWithVers=TRUE)", it seems to (re-)install identical versions of what I have. (this is with Rdevel from subversion from yesterday) best, -tony blindglobe at gmail.com Muttenz,

Hi, I am having trouble installing a previous version of a package, and multiple version of the package in R 2.12 or 2.15. I have download the tar.gz packages from the CRAN archive, and created an folder holding all the files. install.packages("changepoint_0.3.tar.gz", lib="~/Rtools/dir/of/pkgs/", repos=NULL, dependencies=FALSE,

Message 2 of today: it works now. After re-installing R.app from the same R-2.1.0.dmg file, and fixInNamespace'ing(*) install.packages(), I managed to update 23 outdated packages from CRAN binaries for MacOS X. What I did was to: 1. change call to .install.macbinaries() into call to install.binaries() in install.packages(). install.binaries() is a function defined utils/R/aqua/GUI.R. 2. I

I am receiving the following errors when trying to install gcrma and a number of other Bioconductor packages when the installWithVers flag is set to be TRUE. >source("http://www.bioconductor.org/getBioC.R"); >getBioC("gcrma", installWithVers=T); Running biocinstall version 2.0.7 with R version 2.5.0 Your version of R requires version 2.0 of Bioconductor. Loading

Two questions about matrix indexing: Is is correct that V <- V[lower.tri(V, diag=TRUE)] returns the lower triangular of matrix V, that is: all elements above diagonal are set to zero? I understand that the triangle of matrix elements of V for which lower.tri is TRUE are returned while the others (above diagonal) are set to zero (or NA ???). If D and B are vectors of logicals, what