similar to: issues with rJava; cannot run JRI example

Displaying 20 results from an estimated 1100 matches similar to: "issues with rJava; cannot run JRI example"

2011 Jan 04
1
an error about JRI
Hi everyone, I try to run my R script in Java, thus I installed JRI. and run the example, I am using Eclipse on 64 bits windows 7. part of the example code is as follows: public static void main(String[] args) { System.out.println("Creating Rengine (with arguments)"); Rengine re=new Rengine(args, false, null); System.out.println("Rengine
2009 Mar 30
0
Problem in S4 object displaying from within a Java application using JRI
I am using JRI (Java R Interface) library in order to call R from within my Java application. But since the "rmu1" and "rmu2" ,see the following code, are objects of type S4 once i run the application the value of Null will be returned for both of them. On this regard, i would appreciate it if anyone can tell me how i am going to display and/ or convert these objects to Java
2010 Mar 24
1
R and/or REngine kills Java
Hi all, I am using R and JRI under Windows XP Pro. I am posting this question here since the reason might be R related (since I am running an R script) but there is also a very good chance that it is JRI only (since I am using the JRI interface to activate the script) -- in which case I want to apologize for misplacing this message. I have a method that instantiates an REngine object every time
2011 Apr 05
0
kmeans clustering java
Hello, I have been trying for a few days to do kmeans on a matrix of data which I populate from java. Here's my code: String[] Rargs = {"--vanilla"}; Rengine re = new Rengine(Rargs, false, null); System.out.println("Rengine created, waiting for R"); // the engine creates R is a new thread, so we should wait until it's // ready if
2009 Jun 25
2
JRI - problem to access "stats" package
Hello, I am a new R user. More precisely, I am working with JRI (on a Eclipse Java6 project under Ubuntu9). I have difficulties to access some R packages (For example: package "stats", object "Normal", function "pnorm"). I have tried many solutions to set the right path but nothing have succeed: For example:
2010 Aug 23
0
Problems installing JRI on Macintosh/Snowleopard
Dears, I have a problem to install JRI on a Macintosh with Snowleopard OS. <configure> runs without error message but <make> gives the following error message: $ make make -C src JRI.jar gcc -arch i386 -arch ppc -c -o Rengine.o Rengine.c -g -Iinclude -fno-common -I/System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Home/include
2007 Jun 12
1
Trouble making JRI.jar with Ubuntu and Java6
Hi, Forum newb here, looking for some help. Have been trying to install an R-Java interface to make R calls from Java. JRI's configure script runs fine, but when it comes to make, I get the "error: too few arguments to function 'R_ParseVector'" Java runs fine. R runs fine. But I can't get this .jar file created. <grumble> Any help would be appreciated immensely,
2006 Sep 28
2
calling R from within Java, using jri
Hi, I want to call R from within Java, using jri as per http://www.rosuda.org/software/jri/ So I am following the instructions in the README file for JRI 0.2-4. I have run 'sh configure.win' and 'make' and they seemed to be successful. (See below for the output from make, for example.) But when I try 'run.bat rtest' (with and without R command line arguments) the output
2012 Dec 19
0
JRI and XTS library
Hi all, I am using JRI with the XTS library. Rengine rEngine = new Rengine(new String [] {/*"--vanilla"*/}, false, null); rEngine.eval("library(xts)"); When I create an xts object, using previously assigned double/date arrays with roughly 5000 elements, the eval method needs very long (up to a minute) to return. I would like to understand what is going on, but I find no
2009 Feb 25
1
How to get JRI to work from my NetBeans
Hi, I need your help. I have downloaded a precompiled JRI as part of rJava. I have included rJava as part of my R package libraries. Now I need to be able to work with some R functions from my Java apps. I'm using NetBeans on Windows. I have followed some instructions from http://www.rforge.net/JRI/ but i keep on getting errors when compiling my Java app as follows: run: Cannot find JRI
2011 Mar 04
0
Cannot find JRI native library
Dear All. I was trying to connect java and R using jri but i have received some errors. Operating system - windows7, Java version = java 1.6.0_23, R version = R 2.12.1. JAVA_HOME and R_HOME variables are set in user variables and system variables. I have also added JRI .jar path in the system variable. Could you please suggest any solution? Cannot find JRI native library! Please make sure
2008 May 16
2
Getting JRI/rJava to work
Hello All I am trying to get the JRI examples from rJava to work on Windows XP and failing. (And as a more general and connected question is there any review/summary of front-end software for R?) I have installed rJava from the Windows binary supplied. I compile and run the example supplied (rtest.java) and get the results below. I do not think the notes about a deprecated API are a problem. But
2009 Feb 28
2
Using JRI and Java 1.6 on MAC OS X
Dear R-Help, I am trying to get JRI (the rJava interface allowing Java to connect to R) to work. I was able to run it a week ago when I was doing some testing using Java 1.5. However, I am developing a GUI application using some of the new Java 1.6 features and I just can't get JRI to work with this setup. Here is what I get: Cannot find JRI native library! Please make sure that the JRI
2011 Mar 24
0
JRI execution problem
Dear All I don't know is this right place to ask this question. I made one program in R environment and now I need to call that program from the from the java application using JRI package. I tried in both eclipse and java compiler but the Rengine re = new Rengine(args, false, new TextConsole()); is not executing in both systems. Eclipse shows *<terminated>rtest [java application]
2010 Nov 19
1
JRI and error message from R_isMethodsDispatchOn
Dear R users, I have a small project written in Java and need some statical tools. Therefore, I used JRI (in rJava package) as an interface between R and Java to write some wrappers for my work. However, I received error message from R while I have more than one java method which wraps R: Error in .Call("R_isMethodsDispatchOn", onOff, PACKAGE = "base") : Incorrect
2003 Nov 12
1
Talk with from Java
Hi everybody anybody knows how to talk with R like shown in the Java-Code above? Perhaps someone can help, or tell me its not possible. /* * Java_R.java * * Created on November 11, 2003, 5:36 PM */ import java.io.*; /** * * @author markus */ public class Java_R { /** Creates a new instance of Java_R */ public Java_R() { } /** * @param args the command line
2007 Jun 24
1
JRI and Axis Web Service
Hi all, It is my first time to use the R-help mailing list and doesn't have too much R acknowledge. The reason that I am writing this email is looking for helps of using JRI in Java Axis Web Service. Well, I am not quite sure if this is the right place to ask this kind of questions, but I can't find the JRI mailing list. So please give me some hints if this is not the right place to
2006 Dec 22
0
Build a matrix using JRI
Hi everyone I'm a new user of R and JRI for a project (debian + eclipse + Java + JRI). I need to build a matrix from datas and i proceed like this : First step : create the matrix (Rengine re) re.idleEval("A <- mat.or.vec(10,40)",true); Second Step : feed the structure re.idleEval("A[1,1] <- 39",true); re.idleEval("A[1,2] <- 10",true);
2007 Jan 31
0
Fwd: Unable to load rJava - Undefined Symbol GetCreatedJavaVMs
Could some pls help with this error message. Pls see below thanks Rupak ---------- Forwarded message ---------- From: Rupak Khurana <khurana.rupak@gmail.com> Date: Jan 31, 2007 2:46 PM Subject: Unable to load rJava - Undefined Symbol GetCreatedJavaVMs To: simon.urbanek@r-project.org Simon I am unable to load rJava. Pls see the log below. Any help is welcome and appreciated. thanks
2012 Jun 27
1
rJava Error
Hi, I'm receiving an error when I am trying to install rJava. I have posted the error below. RHive_0.0-6.tar.gz rJava_0.9-3.tar.gz RJDBC_0.2-0.tar.gz Rserve_0.6-8.tar.gz [root at localhost Package]# R CMD INSTALL rJava_0.9-3.tar.gz * installing to library ?/usr/local/lib64/R/library? * installing *source* package ?rJava? ... ** package ?rJava? successfully unpacked and MD5 sums checked