On Sat, 10 Jan 2009, Kum-Hoe Hwang wrote:
Howdy Gurus again
Thanks to Tony.Breyal, I was able to writing the following script for
analyzing a text document.
But I got an error with "tm' package. I don't why I got the error from the R
script below. I think I followed proccess of R tm manual.
Please do read the messages you got. I see
Error in .jinit(system.file("jar", c("weka.jar", "RWeka.jar"), package =
pkgname, :
Cannot create Java virtual machine (-1)
so the problem is with your Java installation and RWeka, not 'tm'.
First make sure you have a working installation of RWeka -- I suspect
you do not even have Java installed, but it could be a version or path
issue (but very unlikely to be an R issue).
I use R v2.8.1. and tm_0.3-3.zip under Win XP.
Thanks in advance,
Kum Hwang
# setting directory
my.path <-'C:\\_work\\Daddy"s\\myProjects\\2009
defaultProject\\R\\textfile\\'
# text miner pakacge
library(tm)
Loading required package: Snowball
Loading required package: RWeka
---------------------------------------------------------
Error in .jinit(system.file("jar", c("weka.jar", "RWeka.jar"), package =
pkgname, :
Cannot create Java virtual machine (-1)
Error : .onLoad failed in 'loadNamespace' for 'RWeka'
Error: package 'RWeka' could not be loaded
my.corpurs <-Corpus(DirSource(my.path), readerControl =
list(reader=readPlain))
Error: could not find function "Corpus"
my.tdm <- TermDocMatrix(my.corpus)
Error: could not find function "TermDocMatrix"
my.tdm[1,]
Error: object "my.tdm" not found
--
Kum-Hoe Hwang, Ph.D.
Phone : 82-31-250-3516
Email : phdhw...@gmail.com
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