[R] RStem with portuguese language

Duncan Temple Lang duncan at wald.ucdavis.edu
Mon Jul 28 20:21:22 CEST 2008

Hi Paulo.

 My development version has that warning turned off.
However, the Rstem package predates the encoding in R, AFAIR.
So when I call wordStem() with a string which has an Encoding() 
of UTF-8, the resulting string has Encoding() "unknown".

I'll take a look and add see if I can add support for it. 
I am traveling at present, so not certain precisely when.


Paulo Cortez wrote:
> Greetings,
> I have R 2.7.1 in MacOs and I believe UTF encoding is already installed. 
> At least:
> > Sys.getenv()
> shows several variables, including:
>  LANG "pt_PT.UTF-8"
> I installed the Rstem and tm packages and when I try the following code:
> > wordStem(c("aberração","aberrações"), language="portuguese")
> [1] "aberraç\xc3" "aberraçõ"
> Warning message:
> In wordStem(c("aberração", "aberrações"), language = "portuguese") :
>   Currently, only 'english' is tested. You will need support for UTF 
> characters.
> So my question is. Am I using Rstem wrong or I do not really have UTF 
> support? What do I need to do?
> Best regards,
> -- 
> Paulo Alexandre Ribeiro Cortez  (PhD, MSc)
> Lecturer (Prof. Auxiliar) at the Department of Information Systems (DSI)
> University of Minho, Campus de AzurÈm, 4800-058 Guimaraes, Portugal
> http://www.dsi.uminho.pt/~pcortez +351253510313 Fax:+351253510300
> ______________________________________________
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
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"There are men who can think no deeper than a fact" - Voltaire

Duncan Temple Lang                duncan at wald.ucdavis.edu
Department of Statistics          work:  (530) 752-4782
4210 Mathematical Sciences Bldg.  fax:   (530) 752-7099
One Shields Ave.
University of California at Davis
Davis, CA 95616, USA

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