similar to: Installation of XMLPRC package

Dear all, I am new to programming in R. I deal with microarray data,which is a data frame object type. I need to carry out a few statistical procedures on this, one of them being the pearson corelation. I need to do this between each row which is a gene. So the desired result is a square matrix with the pearson corelation value between each row. So the first column would be (1,1)=0,(1,2),(1,3)

Dear all, Coercing a logical vector to a numeric one is easy. The as.numeric function is used. However what do we use when we have a matrix or an array? Sumona

Hi all, I''ve got a Rails app with a ApplicationController that looks like this: class ApplicationController < ActionController::Base before_filter :authorize, :except => :login def authorize unless session[:user] flash[:notice] = "Please log in" session[:jumpto] = request.parameters redirect_to :controller =>

Hello, My colleague and I would like to write Java code that invokes R to do a simple TTest. I've included my sample java code below. I tried various alternatives and am unable to pass a vector to the TTest method. In my investigation, I tried to call other R methods that take vectors and also ran into various degrees of failure. Any insight you can provide or other Web references you

Hello, I am trying to install the Rstem package, but I have problems. I am using Windows XP and the 2.8.1 version of R. I have read the "Add-on packages" chapter of the "R Installation and Administration" manual, and also have tried several things, which worked for other people on the mailing list having faced the same problem

org.omegahat.R.Java.REvaluator e = new org.omegahat.R.Java.REvaluator(); Object val = e.eval("objects()"); if(val != null) { String[] objects = (String[])val; for(int i = 0 ; i < objects.length; i++) System.err.println("("+i+") " + objects[i]); } hello, thanks to Philippe Grosjean's work I finally got SJava working (on Windows XP!!), so that I can

Dear Any, I am trying to initialise Rjava with the objective of running ORCA within R. I am running R1.5.1 on Windows2000 and get the same problem with Sun Java run time jre-1.2.2_013 Java j2re-1.4.1_01 Microsoft Java Virtual Machine Build 3805 .JavaInit() is failing at : .C("s_start_VM", as.character(classPath), as.character(classPath),

Dear R experts, Sorry, I am resending this, since I have not received this mail myself for the past 5 hours. I saw a similar question dated July 2. But there is no answer to it. Does anybody have a solution to it? I am using window NT, and the R version is 1.5.1, the SJava package is the binary version SJavaWin_0.62-8.zip. Here are the error message: > library(SJava) > .JavaInit()

Hello, I am having trouble getting the curlPerform function to authenticate using the .netrc file. From the documentation I've read it certainly seems as though this function should be able to authenticate via the .netrc file. The example I am using here comes from the "R as a Web Client- the RCurl package" paper and demonstrates using the .netrc file to access the

Hi, I am trying to run the example "JavaRCall" with SJava 0.65 and R1.5.1 under Windows NT4.0. Although loadLibrary("RInterpreter") worked successfull, the following error occurs: "Exception breakpoint occurred at line 65 of ROmegahatInterpreter.java. java.lang.UnsatisfiedLinkError: boolean org.omegahat.R.Java.ROmegahatInterpreter.initR(java.lang.String[]) boolean

I am unable to source a ".R" file using RJava. I tried a couple of different tests: 1) using java and the evaluation method core dumps 2) using ./RJava --example --gui-none to invoke source core dumps. 3) The line of R works if I go directly thru R and not RJava. Version info and code are below. Any help would be appreciated. --Laura O'Brien Applications

Dear r-helpers, I can't get lsa to run because: > library(lsa) Loading required package: Rstem Error in library(pkg, character.only = TRUE, logical = TRUE, lib.loc = lib.loc) : 'Rstem' is not a valid package -- installed < 2.0.0? In addition: Warning message: cannot create HTML package index in: make.packages.html() > install.packages('Rstem') Warning in

Hello all, I'm trying to run SJava package (0.65 modified downloaded from : http://stats.math.uni-augsburg.de/iPlots/alpha/) on windows NT 2000 and R 1.8.01. I have also downloaded the PDF Calling R from Java and when I want to execute the following code: import org.omegahat.R.Java.*; import java.io.*; public class Essai{ public static void main (String [] args) { REvaluator e = new

Dear list members, I encountered this problem and the solution pointed out in a previous thread did not work for me. (e.g. install.packages("RCurl", repos = "http://www.omegahat.org/R") I work with Ubuntu Hardy, and installed R 2.6.2 via apt-get. I really need RCurl in order to use biomaRt ... any help would be greatly appreciated. Best wishes, Emmanuel

Folks, Having problems getting started with SJava and request help. I get this error when running .JavaInit() (within RGui 1.5.1, on Windows 2000): Error in .JavaInit() : Couldn't start Java Virtual Machine: Cannot find the Omegahat interface manager class. Check you classpath! (Before you right back saying read the emails, please read further - in short, been there, done that)

Dear R expert: I have the problems with calling R from Java on Windows XP_SP2/Eclipse3.1/JDK1.5 problems: Loading RInterpreter library Exception in thread "main" java.lang.UnsatisfiedLinkError: no RInterpreter in java.library.path at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1682) at java.lang.Runtime.loadLibrary0(Runtime.java:822) at

Hello, Is it possible to change the default repositories? I've already changed the list in the repositories file under etc/ this is how my repositories file under R/etc looks like: row name menu_name URL default source win.binary mac.binary CRAN CRAN @CRAN@ TRUE TRUE TRUE TRUE BioC Bioconductor http://www.bioconductor.org TRUE TRUE TRUE FALSE

I was wondering the same thing. The traceroute seems to end at their border router, which leads me to believe that they has a hardware failure. Hoping that they get it up in a few days. I've checked around and there are a few mirrors but they all just hang, so I guess we have to wait... Mark Fowle ------------------------------------------------------- Navicom Inc. One Steelcase Road W

Hello I m tryng to execute the code below and I have a problem with the R-Java connection.: import org.omegahat.R.Java.*; public class REvalSample { public static void main(String [] args) { String [] rargs = {"--slave", "--vanilla"}; System.out.println("Sample program to call R engine from Java"); ROmegahatInterpreter interp = new

I saw a thread from September 24 in which Duncan Temple Lang told us: - The package currently has no Rd files, but there is a brief "user's guide". The package is available from http://www.omegahat.org/RGoogleDocs I could not find it by using Tinn-R or RGui's package install tool. Then when I went to the website I saw that package is only available as