[R] Problem with Sweave not recognising \Sexpr{}

Felipe Carrillo mazatlanmexico at yahoo.com
Tue May 25 16:31:04 CEST 2010

 I had the same problem before and I think it has something to do with the R2HTML package. 
To take care of that problem simply sweave your rnw file like this:
and try Sexpr{} again.
Felipe D. Carrillo
Supervisory Fishery Biologist
Department of the Interior
US Fish & Wildlife Service
California, USA

----- Original Message ----
> From: Mike White <mikewhite.diu at btconnect.com>
> To: "r-help at r-project.org" <r-help at r-project.org>
> Sent: Tue, May 25, 2010 2:25:36 AM
> Subject: [R] Problem with Sweave not recognising \Sexpr{}
> I am trying to run the Sweave example at 
> http://www.stat.uni-muenchen.de/~leisch/Sweave/Sweave-Rnews-2002-3.pdf
> the \Sexpr{} code is not being evaluated, although the actual R code within the 
> {} runs ok in R.
Below is part of the resulting .tex file.  Can anyone 
> help identify the cause? I am using R 2.10.1 on Windows XP.

Consider the 
> \texttt{cats} regression example from Venables \& Ripley
(1997). The data 
> frame contains measurements of heart and body weight
of \Sexpr{nrow(cats)} 
> cats (\Sexpr{sum(cats$Sex=="F")} female,
> male).

> White

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