[R] Sweave special characters problem

[Bunny, lautloscrew.com]

Sorry all,

for not posting a minimal example. I am running R on Mac OS X snow leopard with Komodo edit / Sciviews-R. The problem is that the code does not work any more if there is an umlaut in my R code. The error message is some strange mixture of german and english, so this what the error message is supposed to look like:
"Invalid multibyte character in Parser line 195" . Allan´s example works as a standalone, with his code I get the following error message. Maybe this is a mac problem ... 

Error in parse(text = chunk) : 
  Unexptected entry in "x <- data.frame(GeschÂ"



Thx for any help in advance

best 

matt




On 22.07.2010, at 14:47, Allan Engelhardt wrote:

> A standalone example is always helpful.  The following works for me, so I am probably not understanding your problem:
> 
> ---[BEGIN: umlaut.Rnw]---
> \documentclass[a4paper]{article}
> \usepackage{ucs}
> \usepackage[utf8x]{inputenc}
> 
> \begin{document}
> 
> <<test,echo=TRUE>>=
> x <- data.frame(Geschäftslage=1:10)
> summary(x)
> @
> \end{document}
> ---[END: umlaut.Rnw]---
> 
> $ R CMD Sweave umlaut.Rnw
> $ R CMD pdflatex umlaut.tex
> $ gnome-open umlaut.pdf
> 
> Allan
> 
> 
> On 22/07/10 13:19, Bunny, lautloscrew.com wrote:
>> Dear all,
>> 
>> I use Sweave to create my reports. Unfortunately my script crashes whenever I my R code contains special characters like umlauts.
>> Is there a way to to escape special characters in Sweave... This is the line that crashes Sweave:
>> 
>> gl_bybranch = ddply(new_wans,.(period,Branchen), function(X) data.frame(Geschäftslage=mean(X$sentiment)))
>> 
>> Unfortunately I can't just rename it, because I it´s displayed in the legend of graphics later on.
>> 
>> Thx for any suggestions!
>> 
>> best
>> 
>> matt
>> 
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>>