Re: [R] Sweave does not respect width

From: Andrew Robinson <A.Robinson_at_ms.unimelb.edu.au>
Date: Tue, 27 May 2008 05:22:27 +1000

Enrico,

try

<<test, keep.source=TRUE>>=

that should keep your linebreaks.

Cheers

Andrew

On Mon, May 26, 2008 at 03:15:39PM -0400, Enrico Rossi wrote:
> Hello,
>
> I'm learning to use Sweave, and I've run into a problem: sometimes, when
> entering long lines of input and using long variable names, Sweave will not
> insert linebreaks in a way that respects the width setting. This causes
> undesirable overflows into the margins in the latex file. For example,
> consider the following document (adapted from the GLM example):
>
> \documentclass{article}
> \begin{document}
>
> <<setup,include=FALSE,echo=FALSE>>=
> options(width=80)
> @
>
> <<test>>=
> countsasdfasdfasdf <- c(18,17,15,20,10,20,25,13,12)
> outcomeasdfasdfasdf <- gl(3,1,9)
> treatmentasdfasdfasdfasdf <- gl(3,3)
> glm.D93 <- glm(countsasdfasdfasdf ~ outcomeasdfasdfasdf +
> treatmentasdfasdfasdfasdf, family=poisson())
> @
>
> \end{document}
>
> When I compile this, treatmentasdfasdfasdfasdf sticks out into the right
> margin. The linebreak is inserted after the last comma, so that the line as
> printed is 85 characters long, even though I set width to 80 at the top.
> Ideally, Sweave would set the linebreak after the last plus symbol.
>
> There is a simple workaround that I have been using: if a line causes
> problems, set width to something smaller before the line, and set it back
> afterwards. It's pretty clumsy though, and I wonder if there is a better
> way. My understanding is that there is no way to manually set linebreaks,
> what a pity!
>
> I am using R 2.6.2 and the MacTex 2007 distribution. If this problem has
> been fixed in a recent version, I apologize.
>
> Cheers,
> Enrico
>
> [[alternative HTML version deleted]]
>
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-- 
Andrew Robinson  
Department of Mathematics and Statistics            Tel: +61-3-8344-6410
University of Melbourne, VIC 3010 Australia         Fax: +61-3-8344-4599
http://www.ms.unimelb.edu.au/~andrewpr
http://blogs.mbs.edu/fishing-in-the-bay/

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Received on Mon 26 May 2008 - 19:34:08 GMT

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