similar to: using R with java

Hi, I search a solution to record data in dynamic structures in R. I have an algorithm that will be executed each step and whose output is an array of doubles with unknown size. The solution I found is to use lists 1) I initialise my list l <- list() 2) and at a step numbered i I conacatain the new tab to the list vect <- algorithm() l <<--c( l , list(stepi=vect)) The problem is

Hello, I'm using rJava and JRI to call R scripts from my Java code, but my scripts are sometimes executed, and very often they don't run throwing a Java exception. I'm using a 2.7 version of R, with rJava 0.8.4 and Java Sun 1.6. Somebody can help me please ?? Thank you very much, Nabila

Dear All I want to call the R program from one Java program because In my project R program parameters are set by one web page developed by java. Is this possible to call R program from java? many thanks in advance -- Wesley C Mathew [[alternative HTML version deleted]]

Hi all, I have been using 'source(filename)' to load R code from a file object. However, now I have a special case where I don't have a file since I am loading an R script from a Jar file. I would like to avoid creating temporary files. Is there a way to use the 'source' command with a Java String? Are there any other, better ways to do that? Ralf

Up, Any helps in this would be really appreciated. I stuck with this. Regards --- On Mon, 6/13/11, saleh [via R] <ml-node+3593743-1399725529-244676@n4.nabble.com> wrote: From: saleh [via R] <ml-node+3593743-1399725529-244676@n4.nabble.com> Subject: Calling R from Java To: "saleh" <s.alhammed@yahoo.com> Date: Monday, June 13, 2011, 12:35 PM Dear Sir/Madam, Sorry

Hey, I?m a newbie in R and have a big problem. I hope, I?m in the right mailinglist, if not, sorry for this. I want to use R in my Java application and I found out, it should work with JRI. But it doesn?t. I installed it and in the lib-directory of R there is a folder named "JRI". But I have to tell Eclipse that the JRI exist but I don?t know how. I read help-files and so on, but I don?t

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

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

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

Hi folks, Maybe that is not the best place to ask, but I 'd like some of you could help me... I'm using jri to run R commands under Java, by its examples I can eval expressions, returning single values or vectors to my Java variables. But, I would like to know how to assign the values of a Java vector (like: double x[] = {1.7 , 2.8 , 3.4}; ) to a R variable, so I can eval a function

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

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

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

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

Hello, I am very new to R but my question is with respect to the C API for working with an embedded R console. I have been able to start and stop an embedded R console from within a C program as well as use the API to execute commands in it. I am seeking a mechanism to individually send native R commands to an embedded console and then consume the output of these commands. Specifically, I

Dear all, I installed the amd64 cran2deb [1] JGR binaries on a fresh Debian testing, and JGR is missbehaving. When JGR starts up, one core of the CPU goes to 100% and stays there, even though I am keeping it idle and not performing any operation. I tried JGR with both sun-java6-jdk and openjdk-6-jdk, debian-liv:/home/liviu# update-alternatives --config java There are 4 choices for the alternative

Hola, es la primera vez que mando un correo a cualquiera de las listas de correo de R y no se si esta consulta se ajusta al próposito de la r-help list o debería haberlo mandado a otra de las listas que hay. Mi problema es el siguiente: Estoy desarrollando un programa en java con llamadas a R y no puedo usar jri 0.4-1 con la version 2.7 o 2.6 de R. Curiosamente si me funciona si uso jri 0.4 o la

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

Hi - I read through RServe page carefully and it turns out that it's not recommended to use RServe on windows. I have different applications that are calling R to do their own things at the same time. So architecture like R(D)COM or RServe is preferred where I can create a dedicated process for a single application. However, if I have to go with R(D)COM from Java, I'd have to find Java

Hi, Simon et al.: ????? My attempts to install rJava 0.9-12 from source failed under both macOS 10.15.4 and Windows 10. ????? Below please find what I got just now trying "update.packages()" and selecting "install from sources" on both computers followed by "sessionInfo()" in each case. ????? Thanks for your help. ????? Spencer Graves