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#LyX 2.0 created this file. For more info see http://www.lyx.org/
\lyxformat 413
\begin_document
\begin_header
\textclass article
\use_default_options true
\begin_modules
knitr
\end_modules
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\language english
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\index Index
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\leftmargin 2.5cm
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\end_header
\begin_body
\begin_layout Standard
\begin_inset ERT
status open
\begin_layout Plain Layout
<<setup, include=FALSE, cache=FALSE>>=
\end_layout
\begin_layout Plain Layout
library(knitr)
\end_layout
\begin_layout Plain Layout
# set global chunk options
\end_layout
\begin_layout Plain Layout
opts_chunk$set(fig.path='figure/minimal-', fig.align='center', fig.show='hold')
\end_layout
\begin_layout Plain Layout
options(formatR.arrow=TRUE,width=90)
\end_layout
\begin_layout Plain Layout
@
\end_layout
\end_inset
\end_layout
\begin_layout Title
A Minimal Demo of knitr
\end_layout
\begin_layout Author
Yihui Xie
\end_layout
\begin_layout Standard
You can test if
\series bold
knitr
\series default
works with this minimal demo.
OK, let's get started with some boring random numbers:
\end_layout
\begin_layout Standard
\begin_inset ERT
status open
\begin_layout Plain Layout
<<boring-random>>=
\end_layout
\begin_layout Plain Layout
set.seed(1121)
\end_layout
\begin_layout Plain Layout
(x=rnorm(20))
\end_layout
\begin_layout Plain Layout
mean(x);var(x)
\end_layout
\begin_layout Plain Layout
@
\end_layout
\end_inset
\end_layout
\begin_layout Standard
The first element of
\family typewriter
x
\family default
is
\begin_inset ERT
status collapsed
\begin_layout Plain Layout
\backslash
Sexpr{x[1]}
\end_layout
\end_inset
.
Boring boxplots and histograms recorded by the PDF device:
\end_layout
\begin_layout Standard
\begin_inset ERT
status open
\begin_layout Plain Layout
<<boring-plots, fig.width=4, fig.height=4, out.width='.4
\backslash
\backslash
linewidth'>>=
\end_layout
\begin_layout Plain Layout
## two plots side by side (option fig.show='hold')
\end_layout
\begin_layout Plain Layout
par(mar=c(4,4,.1,.1),cex.lab=.95,cex.axis=.9,mgp=c(2,.7,0),tcl=-.3,las=1)
\end_layout
\begin_layout Plain Layout
boxplot(x)
\end_layout
\begin_layout Plain Layout
hist(x,main='')
\end_layout
\begin_layout Plain Layout
@
\end_layout
\end_inset
\end_layout
\begin_layout Standard
Do the above chunks work? You should be able to compile the TeX document
and get a PDF file like this one:
\begin_inset Flex URL
status collapsed
\begin_layout Plain Layout
https://github.com/yihui/knitr/releases/download/doc/knitr-minimal.pdf
\end_layout
\end_inset
.
The Rnw source of this document is at
\begin_inset Flex URL
status collapsed
\begin_layout Plain Layout
https://github.com/yihui/knitr/blob/master/inst/examples/knitr-minimal.Rnw
\end_layout
\end_inset
.
\end_layout
\end_body
\end_document