compiling latex file generated by RStudio - latex

Question

I am trying to edit the latex file generated by RStudio but it seems the file generated by RStudio does not compile out of the box.
Here is the template rmarkdown (edited a little as I want to show code in my slides)
---
title: "Untitled"
author: "SN248"
date: "April 17, 2016"
output:
beamer_presentation:
keep_tex: true
theme: "CambridgeUS"
---
```{r setup, include=FALSE}
knitr::opts_chunk$set(echo = TRUE)
```
## R Markdown
This is an R Markdown document. Markdown is a simple formatting syntax for authoring HTML, PDF, and MS Word documents. For more details on using R Markdown see <http://rmarkdown.rstudio.com>.
Some code
```{r eval=FALSE, echo=TRUE}
install.packages("mypackage")
library(mypackage)
```
## Including Plots
You can also embed plots, for example:
```{r pressure, echo=TRUE}
plot(pressure)
```
Note that the `echo = FALSE` parameter was added to the code chunk to prevent printing of the R code that generated the plot.
Note, that I added keep_tex: true to get the intermediate tex file, the generated tex file is pasted below:
\begin{frame}[fragile]{R Markdown}
This is an R Markdown document. Markdown is a simple formatting syntax
for authoring HTML, PDF, and MS Word documents. For more details on
using R Markdown see \url{http://rmarkdown.rstudio.com}.
Some code
\begin{Shaded}
\begin{Highlighting}[]
\KeywordTok{install.packages}\NormalTok{(}\StringTok{"mypackage"}\NormalTok{)}
\KeywordTok{library}\NormalTok{(mypackage)}
\end{Highlighting}
\end{Shaded}
\end{frame}
\begin{frame}[fragile]{Including Plots}
You can also embed plots, for example:
\begin{Shaded}
\begin{Highlighting}[]
\KeywordTok{plot}\NormalTok{(pressure)}
\end{Highlighting}
\end{Shaded}
\includegraphics{Untitled_files/figure-beamer/pressure-1.pdf}
Note that the \texttt{echo\ =\ FALSE} parameter was added to the code
chunk to prevent printing of the R code that generated the plot.
\end{frame}
I noticed that the generated tex file does not compile out of the box. So, I added the necessary bits (i.e., package listings for code highlighting) so that it compiles
\documentclass[hyperref={pdfpagelabels=false}]{beamer}
\usepackage{lmodern}
\usepackage{listings}
\usetheme{CambridgeUS}
\begin{document}
...
\end{document}
I am still not able to compile this tex file as the bit begin{Shaded} does not compile, I get the following error:
LaTeX Error: Environment Shaded undefined
My question is, how to generate tex file from RStudio which compiles out of the box. If not, which packages should I use to compile the tex code (especially to show code with highlighting) shown below
\begin{Shaded}
\begin{Highlighting}[]
\KeywordTok{install.packages}\NormalTok{(}\StringTok{"mypackage"}\NormalTok{)}
\KeywordTok{library}\NormalTok{(mypackage)}
\end{Highlighting}
\end{Shaded}
Just to give some context, I am trying to compile the tex file so that I can add sections and subsections in the tex code, I am not sure how to do that in the rmarkdown file.
Thank you very much for your help.
SN248

Answer 1

I can see that you are using RMarkdown and want to generate a stand alone .tex file that can be compiled without knitr.
I do the same thing with SWeave. As SWeave is a latex document with R code, you can easily compile it once SWeave is run and figures are created.
For Example, I have created this document in RStudio and compile it in Rstudio.
\documentclass{article}
\title{Best title ever}
\author{XTriMa, PhD}
\begin{document}
\maketitle
\tableofcontents
\section{Method} \label{intro}
Let me make two vectors with random numbers and plot them.
<<>>=
x<-runif(100)
y <- x^(sin(x))
plot(x, y)
#
\end{document}
My folder looks like this
figure test.log test.Rnw test.tex
test-concordance.tex test.pdf test.synctex.gz test.toc
Now if you run
$pdflatex test.tex
It works as you intended. However command "latex" will not work as it can not work with pdf graphics in figures.
Advantage: I can work with R and latex very efficiently and get rid of intermediate software/clients like RStudio and Sweav.