[R] R echo code chunk runs off the page using Lyx and Sweave

[Mark Connolly]

Thanks.  I guess it kind of works for me as well.  The contents of a 
dataframe will display in the specified width, but doing a 
str(dataframe) will happily run past the width set in options and use up 
the device width (command line).  I guess this may be my issue.  
Options(width) does work for displaying the contents of an object (a 
dataframe, for example) in the document, but whatever device geometry 
exists for long lines of R output seems to be wider than my document, 
and long code chunks, str(dataframe) output and the like run past the 
edge of the document page margin when PDF is rendered. 

So I guess the question is: Can I set device geometry somewhere so that 
chunks of R code wrap inside a specified width when a document is 
rendered?  I am using Lyx, but I think this may be between Latex and R 
(as orchestrated by Sweave).  Maybe the answer for Latex is the same 
answer for Lyx.

Ista Zahn wrote:
> options(width=n) is supposed to work, and does for me. I don't use Lyx though...
>
> -Ista
> On Tue, Nov 10, 2009 at 4:27 PM, Mark Connolly <mark_connolly at acm.org> wrote:
>   
>> I am not really sure where in the interactions this is handled, but I would
>> like to keep echo-ed R code chunks from running past the right margin and
>> off the page.  I started with R and options(width=n), but this does not seem
>> to do anything (in the context of a document -- line command works just
>> fine).   I have beating my head against different Lyx document settings
>> without anything to show.  Anyone point me in the right direction?
>>
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