270 lines
4.1 KiB
Plaintext
270 lines
4.1 KiB
Plaintext
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#LyX 2.0 created this file. For more info see http://www.lyx.org/
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\lyxformat 413
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knitr
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\end_header
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\begin_layout Standard
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\begin_inset ERT
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status open
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\begin_layout Plain Layout
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<<setup, include=FALSE, cache=FALSE>>=
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\end_layout
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\begin_layout Plain Layout
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library(knitr)
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\end_layout
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\begin_layout Plain Layout
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opts_chunk$set(fig.path='figure/twocolumn-', fig.align='center', fig.show='hold')
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\end_layout
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\begin_layout Plain Layout
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render_listings()
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\end_layout
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\begin_layout Plain Layout
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@
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\end_layout
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\end_inset
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\end_layout
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\begin_layout Title
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Using knitr in A Two-column Document
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\end_layout
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\begin_layout Author
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Yihui Xie
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\end_layout
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\begin_layout Standard
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We can use the
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\family typewriter
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figure*
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\family default
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environment in LaTeX so that figures can span over two columns.
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Because the output hooks use the
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\series bold
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framed
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\series default
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package which does not work well with the
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\family typewriter
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figure*
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\family default
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environment, we can either modify the output hooks or use other packages
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like
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\series bold
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listings
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\series default
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.
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For example,
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\end_layout
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\begin_layout Standard
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\begin_inset ERT
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status open
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\begin_layout Plain Layout
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<<chunk-hook, echo=2, tidy=TRUE, tidy.opts=list(width.cutoff=30)>>=
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\end_layout
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\begin_layout Plain Layout
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<<setup>>
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\end_layout
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\begin_layout Plain Layout
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@
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\end_layout
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\end_inset
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\end_layout
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\begin_layout Standard
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\begin_inset Float figure
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wide true
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sideways false
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status open
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\begin_layout Plain Layout
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\begin_inset ERT
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status open
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\begin_layout Plain Layout
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<<boring-plots, fig.width=5, fig.height=5, out.width='.45
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\backslash
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\backslash
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linewidth'>>=
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\end_layout
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\begin_layout Plain Layout
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x=rnorm(100)
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\end_layout
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\begin_layout Plain Layout
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par(mar=c(4,4,.1,.1))
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\end_layout
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\begin_layout Plain Layout
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boxplot(x)
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\end_layout
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\begin_layout Plain Layout
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hist(x,main='')
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\end_layout
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\begin_layout Plain Layout
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@
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\end_layout
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\end_inset
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\end_layout
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\begin_layout Plain Layout
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\begin_inset Caption
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\begin_layout Plain Layout
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Two plots spanning over two columns.
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\end_layout
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\end_inset
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\end_layout
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\end_inset
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\end_layout
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\begin_layout Standard
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The output PDF file will be like:
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\begin_inset Flex URL
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status collapsed
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\begin_layout Plain Layout
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https://github.com/yihui/knitr/releases/download/doc/knitr-twocolumn.pdf
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\end_layout
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\end_inset
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.
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The Rnw source of this document is at
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\begin_inset Flex URL
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status collapsed
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\begin_layout Plain Layout
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https://github.com/yihui/knitr/blob/master/inst/examples/knitr-twocolumn.Rnw
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\end_layout
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\end_inset
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.
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\end_layout
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\end_body
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\end_document
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