I am having trouble in Sweave with input line lengths. For example, I may have
in my input file the chunk
<<>>=
BrainSections <-
levels(AggData$sctn)[grep(
"(^BRAIN)|(^WHOLEBRAIN)|(LEFT HEMISPHERE)| (HALFBRAIN)",
levels(AggData$sctn))]
@
This is translated in the tex file:
\begin{Sinput}
> BrainSections <- levels(AggData$sctn)[grep("(^BRAIN)|(^WHOLEBRAIN)|(LEFT
> HEMISPHERE)| (HALFBRAIN)",
+ levels(AggData$sctn))]
\end{Sinput}
The problem is that the line produced is too long. I read the answer to the
Sweave FAQ question 13 (How can I change the line length of S input and
output?) to mean that options(width) controls both input and output; however,
the first code chunk in the above example contains
<<>>=
options(width=66)
@
Is there a way to get Sweave to wrap long input lines better, or get it to use
my own formatting of the input? I realize I can edit the output tex file, but
that is impractical in my application (too many).
I am using R version 2.0.1 Patched (2005-01-26) on a Linux system (so, I
suppose one possible answer is that this is fixed in 2.1.0; I cannot switch
right now).
Woodrow Setzer
National Center for Computational Toxicology
US Environmental Protection Agency
Research Triangle Park, NC 27711
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