To use this gist, download the resizeTemplate.beamer file to the same folder and your R markdown presentation.
Then add
template: resizeTemplate.beamer
To your yaml data block after beamer_presentation
---
title: "Fixing Code Size"
author: "Chris Hammill"
output:
beamer_presentation:
theme: "Boadilla"
template: resizeTemplate.beamer
----
| \documentclass[$if(fontsize)$$fontsize$,$endif$$if(handout)$handout,$endif$$if(beamer)$ignorenonframetext,$endif$$for(classoption)$$classoption$$sep$,$endfor$]{$documentclass$} | |
| $if(theme)$ | |
| \usetheme{$theme$} | |
| $endif$ | |
| $if(colortheme)$ | |
| \usecolortheme{$colortheme$} | |
| $endif$ | |
| $if(fonttheme)$ | |
| \usefonttheme{$fonttheme$} | |
| $endif$ | |
| \setbeamertemplate{caption}[numbered] | |
| \setbeamertemplate{caption label separator}{:} | |
| \setbeamercolor{caption name}{fg=normal text.fg} | |
| \usepackage{amssymb,amsmath} | |
| \usepackage{ifxetex,ifluatex} | |
| \usepackage{fixltx2e} % provides \textsubscript | |
| \usepackage{lmodern} | |
| \ifxetex | |
| \usepackage{fontspec,xltxtra,xunicode} | |
| \defaultfontfeatures{Mapping=tex-text,Scale=MatchLowercase} | |
| \newcommand{\euro}{€} | |
| \else | |
| \ifluatex | |
| \usepackage{fontspec} | |
| \defaultfontfeatures{Mapping=tex-text,Scale=MatchLowercase} | |
| \newcommand{\euro}{€} | |
| \else | |
| \usepackage[T1]{fontenc} | |
| \usepackage[utf8]{inputenc} | |
| $if(euro)$ | |
| \usepackage{eurosym} | |
| $endif$ | |
| \fi | |
| \fi | |
| % use upquote if available, for straight quotes in verbatim environments | |
| \IfFileExists{upquote.sty}{\usepackage{upquote}}{} | |
| % use microtype if available | |
| \IfFileExists{microtype.sty}{\usepackage{microtype}}{} | |
| $if(natbib)$ | |
| \usepackage{natbib} | |
| \bibliographystyle{plainnat} | |
| $endif$ | |
| $if(biblatex)$ | |
| \usepackage{biblatex} | |
| $if(biblio-files)$ | |
| \bibliography{$biblio-files$} | |
| $endif$ | |
| $endif$ | |
| $if(listings)$ | |
| \usepackage{listings} | |
| $endif$ | |
| $if(lhs)$ | |
| \lstnewenvironment{code}{\lstset{language=Haskell,basicstyle=\small\ttfamily}}{} | |
| $endif$ | |
| $if(highlighting-macros)$ | |
| $highlighting-macros$ | |
| \DefineVerbatimEnvironment{Highlighting}{Verbatim}{commandchars=\\\{\},fontsize=\footnotesize} | |
| $endif$ | |
| $if(verbatim-in-note)$ | |
| \usepackage{fancyvrb} | |
| $endif$ | |
| $if(tables)$ | |
| \usepackage{longtable,booktabs} | |
| \usepackage{caption} | |
| % These lines are needed to make table captions work with longtable: | |
| \makeatletter | |
| \def\fnum@table{\tablename~\thetable} | |
| \makeatother | |
| $endif$ | |
| $if(url)$ | |
| \usepackage{url} | |
| $endif$ | |
| $if(graphics)$ | |
| \usepackage{graphicx} | |
| \makeatletter | |
| \def\maxwidth{\ifdim\Gin@nat@width>\linewidth\linewidth\else\Gin@nat@width\fi} | |
| \def\maxheight{\ifdim\Gin@nat@height>\textheight0.8\textheight\else\Gin@nat@height\fi} | |
| \makeatother | |
| % Scale images if necessary, so that they will not overflow the page | |
| % margins by default, and it is still possible to overwrite the defaults | |
| % using explicit options in \includegraphics[width, height, ...]{} | |
| \setkeys{Gin}{width=\maxwidth,height=\maxheight,keepaspectratio} | |
| $endif$ | |
| % Comment these out if you don't want a slide with just the | |
| % part/section/subsection/subsubsection title: | |
| \AtBeginPart{ | |
| \let\insertpartnumber\relax | |
| \let\partname\relax | |
| \frame{\partpage} | |
| } | |
| \AtBeginSection{ | |
| \let\insertsectionnumber\relax | |
| \let\sectionname\relax | |
| \frame{\sectionpage} | |
| } | |
| \AtBeginSubsection{ | |
| \let\insertsubsectionnumber\relax | |
| \let\subsectionname\relax | |
| \frame{\subsectionpage} | |
| } | |
| $if(strikeout)$ | |
| \usepackage[normalem]{ulem} | |
| % avoid problems with \sout in headers with hyperref: | |
| \pdfstringdefDisableCommands{\renewcommand{\sout}{}} | |
| $endif$ | |
| \setlength{\parindent}{0pt} | |
| \setlength{\parskip}{6pt plus 2pt minus 1pt} | |
| \setlength{\emergencystretch}{3em} % prevent overfull lines | |
| $if(numbersections)$ | |
| $else$ | |
| \setcounter{secnumdepth}{0} | |
| $endif$ | |
| $if(verbatim-in-note)$ | |
| \VerbatimFootnotes % allows verbatim text in footnotes | |
| $endif$ | |
| $if(lang)$ | |
| \usepackage[$lang$]{babel} | |
| $endif$ | |
| $for(header-includes)$ | |
| $header-includes$ | |
| $endfor$ | |
| $if(title)$ | |
| \title{$title$} | |
| $endif$ | |
| $if(subtitle)$ | |
| \subtitle{$subtitle$} | |
| $endif$ | |
| $if(author)$ | |
| \author{$for(author)$$author$$sep$ \and $endfor$} | |
| $endif$ | |
| \date{$date$} | |
| \begin{document} | |
| $if(title)$ | |
| \frame{\titlepage} | |
| $endif$ | |
| $for(include-before)$ | |
| $include-before$ | |
| $endfor$ | |
| $if(toc)$ | |
| \begin{frame} | |
| \tableofcontents[hideallsubsections] | |
| \end{frame} | |
| $endif$ | |
| $body$ | |
| $if(natbib)$ | |
| $if(biblio-files)$ | |
| $if(biblio-title)$ | |
| $if(book-class)$ | |
| \renewcommand\bibname{$biblio-title$} | |
| $else$ | |
| \renewcommand\refname{$biblio-title$} | |
| $endif$ | |
| $endif$ | |
| \begin{frame}[allowframebreaks]{$biblio-title$} | |
| \bibliography{$biblio-files$} | |
| \end{frame} | |
| $endif$ | |
| $endif$ | |
| $if(biblatex)$ | |
| \begin{frame}[allowframebreaks]{$biblio-title$} | |
| \printbibliography[heading=none] | |
| \end{frame} | |
| $endif$ | |
| $for(include-after)$ | |
| $include-after$ | |
| $endfor$ | |
| \end{document} |