similar to: I can't install RWeka

Hi, I am a R user, with some experience in MacOS, Linux, etc, but I am having a problem that I cannot solve: I have a linux server (CentOS 5) and I installed sun jdk1.6. For instance: $ java -version Java version "1.6.0_10-rc2" Java(TM) SE Runtime Environment (build 1.6.0_10-rc2-b32) Java HotSpot(TM) Server VM (build 11.0-b15, mixed mode) I also installed the latest version of R:

Hi, I'm trying to use RWeka and followed the following example from the RWeka manual. ============ ## Use some example data. w <- read.arff(system.file("arff","weather.nominal.arff", package = "RWeka")) ## Identify a decision tree. m <- J48(play~., data = w) m ## Use 10 fold cross-validation. e <- evaluate_Weka_classifier(m, cost = matrix(c(0,2,1,0),

Dear Forum, when I try to use SnowballStemmer() I get the following error message: "Could not initialize the GenericPropertiesCreator. This exception was produced: java.lang.NullPointerException" It seems to have something to do with either Snowball or RWeka, however I can't figure out, what to do myself. If you could spend 5 minutes of your valuable time, to help me or give me a

Le jeudi 09 f?vrier 2012 ? 15:31 +0200, Kari Ruohonen a ?crit : > Hi, > I am trying to replicate a training of AttributeSelectedClassifier with > CFsSubsetEval, BestFirst and NaiveBayes that I have initially done with > Weka. Now, I am trying to use RWeka in R. > > I have a problem of passing arguments to the CfsSubsetEval, BestFirst > and NaiveBayes. I have first created an

Hi! I was trying to install RWeka to be able to use SnowballStemmer in a Mac OS X 10.6.7 environment... but coudn't do it... I get error messages after: > library(RWeka); > install(Snowball); > ## Test the supplied vocabulary for the default stemmer ('porter'): > source <- readLines(system.file("words", "porter","voc.txt", +

Read the Posting Guide mentioned at the bottom of this email. Highlights you should be sure to address: * HTML formatted email gets messed up on the R mailing lists, so post in plain text. Yes, you can and need to do this. * Make sure the problem occurs in R by trying it without RStudio. Sometimes RStudio interferes with R, and you have to ask elsewhere about such problems. * Give us details

Hy, In my case I just invoked as root (on a linux box) the command R CMD javareconf and checked if my system and root vm did match the version of the user vm. After this the command .jinit(parameters=c("-Xmx512m","-Xmx128m")) could be executed without errors. I got this information from http://www.rosuda.org/JGR/down.shtml -- Hi, Has anybody encountered the following

Hi all A client of ours wants Tomcat 5 to be installed on a CentOS 5 server, I naturally just ran "yum -y install tomcat5 tomcat5-webapps tomcat5-admin-webapps" which installed it without any errors. Then I typed in service tomcat5 start, and tries to access it as such "lynx http://localhost:8080/" but keep on getting an error "connection refused" [root at

Dear Forum, I have installed and used various Weka functions in R - both already available interfaces or created ones via make_Weka_classifier - without any trouble. However, the RBFNetwork (RBF Neural Network) function is one that I have not been able to call. I tried creating the R interface using RBF<- make_Weka_classifier("weka/classifiers/functions/RBFNetwork"), and the

When I use any function of RWeka Package in Rstudio I get an error, "Error in .jnew (name): java.lang.ClassFormatError." can anyone guide me in this? [[alternative HTML version deleted]]

Hello All, One of our user is facing java.lang.OutOfMemoryError: PermGen space issue on a Windows 2003 32 bit xVM domU with 4GB RAM. He is able to successfully do these tests on equivalent physical system with Windows 2003 OS and 4GB RAM. Another user is facing issues with Tomcat running out of heap space on a Win2008 64bit xvM domU Our xVM hypervisor server is X4150 server with 64GB RAM

Hi, I downloaded RWeka successfully. (At least I do not see, where I could have made a mistake.) Then I tried to load it by the library-command. To my surprise this did not work. Result: library(RWeka) Fehler in .jinit(c(system.file("jar", "weka.jar", package = "RWeka"), system.file("jar", : Cannot create Java Virtual Machine Fehler: .onLoad in

Dear R-users, I am running R 2.10.1 under Windows XP Professional. Moreover, I run Java 5.0 and the RWeka package 0.4-1 and rJava 0.8-4. are successfully installed. I get two error messages while loading both packages. library(RWeka) Error in get(Info[i, 1], envir = env) : internal error -3 in R_decompress1 Error: package/namespace load failed for 'RWeka' 2:

Dear All, I'd like to use Weka functions that are not implemented (do not have interface) in RWeka, like the Remove function and others in the future! The .java() functionality is for that purpose but I haven't seen any example with Weka functions. Could anyone give me hand in how to do it? For instace if I want to use the weka.filters.unsupervised.attribute.Remove? 1. in the R console,

Hello all, I am attempting to run an R script that makes use of RWeka. I am running SuSE Linux 9.3 with Java 1.5.0_06, R version 2.2.1, Weka 3-4-7, and Rweka 0.2-1. CLASSPATH="/usr/local/weka-3-4-7/weka.jar:/usr/local/JGR/JGR.jar" I receive the error: NewObject("weka/core/Instances","(Ljava/io/Reader;)V",...) failed Exception in thread "main"

Hi, i want to create xlsx sheet, all things seems to be perfect until this erro message Erreur : OutOfMemoryError (Java): Java heap space i have xp system, (32bit) I tried the following syntax > options(java.parameters = "-Xmx1000m") > options(java.parameters = "-Xms=3670K") > writeWorksheet(wb, SP, sheet = "SP") alos this one options(java.parameters =

Hi - I have a question on RWeka. I installed the package and try to run using some examples available in the package. However, it stalls my machine for a while. I'm wondering if I need weka (which is java implementation) installed before using RWeka? Thank you. - adschai

Dear All, I am finding trouble trying to guild a Wrapper using random forest to evaluate the subsets: I do: nombi <- make_Weka_filter("weka/filters/supervised/attribute/AttributeSelection") datbin<- nombi(gene ~., data=X1X2X4X5W, control =Weka_control( S=list("weka.attributeSelection.GeneticSearch"), E=list("weka.attributeSelection.WrapperSubsetEval"),B

Estimados compañeros ignoro que problema tengo pero no puedo cargar RWeka. Tengo la versión 2.12 de R, Windos XP y actualizado el Java Virtual Machine y cuando intento la carga me da: Error in loadNamespace(i[[1L]], c(lib.loc, .libPaths())) : there is no package called 'rJava' Error: package/namespace load failed for 'RWeka' Un cordial saludo, Juan --

Hello: I´m trying to execute Apriori(file.arff) command of RWeka package. I´m working with: Operating System: Windows XP home R-2.4.0 RWeka_0.2-11 rJava_0.4-11 classpath= .;C:\Archivos de programa\Java\jdk1.5.0\lib;C:\Archivos de programa\R\R- 2.4.0\library\RWeka\jar An error occurs when .jnew command is executed, on class "weka/core/Instances" :