66 lines
2.0 KiB
Plaintext
66 lines
2.0 KiB
Plaintext
%% LyX 2.2.1 created this file. For more info, see http://www.lyx.org/.
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%% Do not edit unless you really know what you are doing.
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\documentclass[twocolumn]{article}
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\usepackage[sc]{mathpazo}
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\usepackage[T1]{fontenc}
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\usepackage{geometry}
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\geometry{verbose,tmargin=3cm,bmargin=3cm,lmargin=3cm,rmargin=3cm}
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\setcounter{secnumdepth}{2}
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\setcounter{tocdepth}{2}
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\setlength{\parskip}{\bigskipamount}
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\setlength{\parindent}{0pt}
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\usepackage{url}
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\usepackage[unicode=true,pdfusetitle,
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bookmarks=true,bookmarksnumbered=true,bookmarksopen=true,bookmarksopenlevel=2,
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breaklinks=false,pdfborder={0 0 1},backref=false,colorlinks=false]
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{hyperref}
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\hypersetup{
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pdfstartview={XYZ null null 1}}
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\usepackage{breakurl}
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\makeatletter
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% User specified LaTeX commands.
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\renewcommand{\textfraction}{0.05}
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\renewcommand{\topfraction}{0.8}
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\renewcommand{\bottomfraction}{0.8}
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\renewcommand{\floatpagefraction}{0.75}
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\makeatother
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\begin{document}
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<<setup, include=FALSE, cache=FALSE>>=
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library(knitr)
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opts_chunk$set(fig.path='figure/twocolumn-', fig.align='center', fig.show='hold')
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render_listings()
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@
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\title{Using knitr in A Two-column Document}
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\author{Yihui Xie}
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\maketitle
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We can use the \texttt{figure{*}} environment in \LaTeX{} so that
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figures can span over two columns. Because the output hooks use the
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\textbf{framed} package which does not work well with the \texttt{figure{*}}
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environment, we can either modify the output hooks or use other packages
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like \textbf{listings}. For example,
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<<chunk-hook, echo=2, tidy=TRUE, tidy.opts=list(width.cutoff=30)>>=
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<<setup>>
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@
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\begin{figure*}
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<<boring-plots, fig.width=5, fig.height=5, out.width='.45\\linewidth'>>=
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x=rnorm(100)
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par(mar=c(4,4,.1,.1))
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boxplot(x)
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hist(x,main='')
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@
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\caption{Two plots spanning over two columns.}
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\end{figure*}
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The output PDF file will be like: \url{https://github.com/yihui/knitr/releases/download/doc/knitr-twocolumn.pdf}.
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The Rnw source of this document is at \url{https://github.com/yihui/knitr/blob/master/inst/examples/knitr-twocolumn.Rnw}.
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\end{document}
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