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.
Thanks,
D.
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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--
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