[R] DocumentTermMatrix error

From: Matev¾ Pavlič <matevz.pavlic_at_gi-zrmk.si>
Date: Sat, 21 May 2011 13:26:40 +0200

Hi all,  

I have tried to create a DocumentTermMatrix with a tm package, but i get this error :  

Error in tolower(txt) :

  invalid input 'PROD Z LAHKO GNETNO MELJNO GLINO, ... in 'utf8towcs'  

I tried doing this as it is showed in :

http://www.r-project.org/doc/Rnews/Rnews_2008-2.pdf (An Introduction to Text Mining),  

with this R code :  


tekst <- Corpus(DirSource("."))

>Warning message:

>In readLines(y, encoding = x$Encoding) :

>incomplete final line found on './test.txt'

meta(tekst, "Heading", "local") <- c("test")


>Available meta data pairs are:

  Author :

   DateTimeStamp: 2011-05-21 11:25:21

   Description :

   Heading : test

  ID : test.txt

  Language : en

  Origin :  

test <- TermDocumentMatrix(tekst)

> Error in tolower(txt) :

> invalid input 'PROD Z LAHKO GNETNO MELJNO GLINO, ... in 'utf8towcs'

Attached is a small sample (test.txt) on which i worked.  

Any help would be appreaciated,


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Received on Sat 21 May 2011 - 11:32:39 GMT

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