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...into R from one the built-in packages: We'll work with the diamonds data. This dataset is really large, it accounts for over 50.000 records. We will demostrate how to create nice and colorful graphics as well as creating some nice tabular tables with horizontal and vertical lines. <<dataAnalysis.R,echo=F>>= data(diamonds) attach(diamonds) dsmall <- diamonds[sample(nrow(diamonds),1000),] @ \begin{figure}[h] <<fig.R,echo=FALSE,fig=TRUE,width=6,height=7>>= qplot(carat,price,data=dsmall,colour = color) #THIS CODE DOESN'T WORK @ \end{figure} Felipe D. Carrillo Sup...

Hi: I am working on a publication and I have heard about LaTEX but I haven't actually tried to learn about it until today. I've found a few examples but I can't actually make them work properly. I have a couple of questions: Does LATEX have to be installed on your computer? How does the xtable package and Sweave work together? How can I make the code below create a table as pdf file?

...one row(weeks 27,28,29,30) and so on for the following weeks. Below, I am creating a PDF using Sweave, MikTex,R-2.8.1 and windows XP to show an example. \documentclass[11pt]{article} \usepackage{longtable,verbatim} \title{How to implement multirow with Sweave} \begin{document} \maketitle <<dataAnalysis.R,echo=FALSE>>= sampDat <- "Month, Week, Est.passage, Med.FL July 27 665 34 July 28 2,232 35 July 29 9,241 35 July 30 28,464 35 Aug 31 41,049 35 Aug 32 82,216 35 Aug 33 230,411 35 Aug 34 358,541 35 Sept 35...