similar to: an error about JRI

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

Hello, I am trying to run JRI example from rJava, but I have some issues. I have read many posts and didn't find any solution to my problem. I have the following code: Rengine re = new Rengine(null, false, null); System.out.println("Rengine created, waiting for R"); if (!re.waitForR()) { System.out.println("Cannot load R"); return;

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:

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

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, 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,

Hello all, I`m a computer science student from Frankfurt/main (germany). Our student team (10 students) are working on a R/Interface project (Java and R) and we have a problem with R and JRI. We are working on 10 computers with Windows XP SP2, R 2.8.0, jdk1.6.0_11 and the same classpath setttings but our application works only on two computers. We can't explain us this.

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, 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

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

I used JRI package in java to connect R ,and want to use R do some work fo me. but most thing is ok, but there is a problem for me these is some code of the program: re.eval("library(lattice)"); y=re.idleEval("print(1:10)"); y=re.eval("feq <- read.delim('c:/minist.txt',header=T)");

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

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

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

Hi all, Using RConsole, it's easy to get data from the database that you can use in an R Command. Like this: (Reference case) irisQuery <- dbGetQuery(conn, "select * from iris") boxM(irisQuery [,-5], irisQuery[,5]) ---- (Actual case this posting is about) Yet, if I'm getting that same (sample IRIS) data, say, in a web service possibly POSTED from a SQL command, that same

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 would like to find out the panel of a xyplot matrix where a mouse clicked. I know this functionality is already bundled in trellis.focus but I can't use it because I am coding a stand alone application in Java using with GDCanvas as a graphics device. I tried calling trellis.focus from Java with: re.eval("t = trellis.focus()")); However it did not work for an embedded

Hello, I want to import R-output via Rserve to Java, especially for the function ctree from the package party. Rserve is working properly. Yet, I only get the predictions with the Java code try{ RConnection c = new RConnection(); ... c.voidEval("modell <- ctree(...)"); REXP y = c.eval("nodes(modell,1)[[1]]$prediction"); ...

That's amazing! Thank you!!! One follow up question, if that's OK? If, instead of using hard-coded CSV, I read the CSV into a variable first, then it fails again with a parse error. Code below. So, if I read the CSV into a variable, do I need an additional wrapper method? Seems like it should still work. Thanks in advance for your reply. -M String inputIris =

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