You have to escape the underscore
\Sexpr{gsub("_", "\_", print(version$platform))}
Best regards,
Thierry
________________________________________
Van: r-help-boun...@r-project.org [r-help-boun...@r-project.org] namens David
Epstein [david.epst...@warwick.ac.uk]
Verzonden: maandag 2 september 2013 17:38
Aan: r-help@r-project.org
Onderwerp: [R] Sweave: printing an underscore in the output from an R command
I am working with Sweave and would like to print out into my latex document the
result of the R command
version$platform
So what I first tried in my .Rnw document was \Sexpr{print(version$platform)}.
However, the output from this command is the string "x86_64-apple-darwin10.8.0"
(without the quotes). This contains an underscore, which is a special character
in tex and so I get an error message from latex.
I can get round this by using sub to replace underscore with a space, but I
would like to know how to print the underscore if I really wanted to do so.
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