Felipe: See Leisch's FAQ A18.
http://www.statistik.lmu.de/~leisch/Sweave/FAQ.html#x1-20000A.18 You likely have R2HTML loaded (likely because you are using Tinn-R) and that causes some difficulties for Sweave that are easily solved as described in the FAQ. Felipe Carrillo wrote: > > Hi: > I am trying to create a dynamic latex table using \Sexpr{} but it's not > evaluating it. I also tried the example below without Sweave and also > fails. I have also copied the Sweave.sty to my working directory but > nothing seems to work. Do I need to have certain package in order to run > \Sexpr{}? > > \documentclass[a4paper]{article} > \usepackage{C:/R/R-2.8.1/share/texmf/Sweave} > \begin{document} > > <<echo=false,results=hide>>= > library(lattice) > library(xtable) > data(cats, package="MASS") > @ > > \section*{The Cats Data} > > 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$Sex=="F")} female, > \Sexpr{sum(cats$Sex=="M")} male). > > A linear regression model of heart weight by sex and gender can be > fitted in R using the command > <<>>= > lm1 = lm(Hwt~Bwt*Sex, data=cats) > lm1 > @ > Tests for significance of the coefficients are shown in > Table~\ref{tab:coef}, a scatter plot including the regression lines is > shown in Figure~\ref{fig:cats}. > > \SweaveOpts{echo=false} > > <<results=tex>>= > xtable(lm1, caption="Linear regression model for cats data.", > label="tab:coef") > @ > > \begin{figure} > \centering > <<fig=TRUE,width=12,height=6>>= > > print(xyplot(Hwt~Bwt|Sex, data=cats, type=c("p", "r"))) > @ > \caption{The cats data from package MASS.} > \label{fig:cats} > \end{figure} > \begin{center} > \end{center} > > \end{document} > > > Felipe D. Carrillo > Supervisory Fishery Biologist > Department of the Interior > US Fish & Wildlife Service > California, USA > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > > -- View this message in context: http://www.nabble.com/Sweave-and-%5CSexpr%7B%7D-tp21841963p21847606.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.