[R] Sweave-output causes error-message in pdflatex

[Duncan Murdoch]

On 3/27/2009 10:12 AM, Gerrit Voigt wrote:
> Dear list,
> Latex/Sweave has trouble processing Sveave-output coming from the 
> summary-command of a linear Model.
>  >summary(lmRub)
> The output line causing the trouble looks in R like this
> Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1
> 
> In my Sweaved Tex-file that line looks like this
> Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1’ (actually 
> in the editor the quotation signs are replaced by bars, but they got 
> lost through copy & paste. I don't know if that says anything about my 
> problem.)
> 
> In the error message produced through pdflatex, the quotation signs 
> reappear.
> Latex error-message:
> ! Package inputenc Error: Keyboard character used is undefined
> 
> (inputenc) in inputencoding `Latin1'.
> 
> See the inputenc package documentation for explanation.
> 
> Type H <return> for immediate help.
> 
> ...
> 
> l.465 ...*’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1
> 
> You need to provide a definition with \DeclareInputText
> 
> or \DeclareInputMath before using this key.
> 
> 
> I hope anybody knows how I can prevent that error message. Thanks in 
> advance.

You are running the code on a platform where the character used for one 
of the quote characters is unrecognized by LaTeX.  The simplest solution 
is to tell R not to use those characters, via executing

options(useFancyQuotes = FALSE)

early in your document.  See ?sQuote for more details.

Duncan Murdoch