How insert clickable link in pdf with R

pdf, pdf-generation, r

Solution

You could do this with Rsweave. Rsweave lets you call R from within LaTeX.

So an example file using my own made up data would be:

\documentclass{article}
\usepackage{hyperref}

\begin{document}
\SweaveOpts{concordance=TRUE}


<<echo=FALSE,fig=TRUE>>=
    library(ggplot2)
    q <- ggplot() + geom_point(data=data.frame(x = c(1,2,3,4),y=c(4,3,2,1)), aes(x=x,y=y))
    print(q)
@
\par{
    \url{http://google.com}
}

\end{document}

And you can compile this from Rstudio. It will know what to do if the file has an .rnw extension. If you are compiling from R then you can use the Sweave command.

Problem

I save a plot generated with R with the `pdf()` function (see below). Is it possible, to add clickable hyperlinks to this plot? Alternatives to `pdf()` are welcome. ``` pdf(file="plot.pdf",width=20,height=50) q <- ggplot(df, aes(x=reorder(desc,Value, FUN=median), y=Value)) q + geom_boxplot(aes(fill = factor(role)))+ coord_flip() dev.off() ``` where the `df$desc` looks like this: ``` [1] "http://www.jcvi.org/cgi-bin/tigrfams/HmmReportPage.cgi?acc=TIGR02914 # EpsI_fam: EpsI family protein # Role: 141" [2] "http://www.jcvi.org/cgi-bin/tigrfams/HmmReportPage.cgi?acc=TIGR03067 # Planc_TIGR03067: Planctomycetes uncharacterized domain TIGR03067 # Role: 157" [3] "http://www.jcvi.org/cgi-bin/tigrfams/HmmReportPage.cgi?acc=TIGR03021 # pilP_fam: type IV pilus biogenesis protein PilP # Role: 91" ``` In the pdf, the link is not clickable.

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