[R] Automating citations in Sweave

ONKELINX, Thierry Thierry.ONKELINX at inbo.be
Thu Oct 23 12:18:47 CEST 2008

Dear all,

Is there an elegant way to add citations of packages when using Sweave?
Ideally I'd like a function which creates a Bibtex-file with the
packagenames as keys. The idea is to use \cite{packagename} or \cite{R}
in LaTeX.

I know you can get the Bibtex entry with
toBibtex(citation("packagename")). But after updating R or a package one
needs to update the bib-file too. When trying to automate this I came up
with the code below. It generates a Bibtex-file, but without keys for
each item. So I have to add those manually. Another problem is that I
get multiple entrys for R it self.

Suggestions are welcome.


    tmp <- sapply(.packages(), function(x){
        entry <- toBibtex(citation(x))
        if(class(entry) == "Bibtex"){
        } else {
            tmp <- sapply(entry, print)

ir. Thierry Onkelinx
Instituut voor natuur- en bosonderzoek / Research Institute for Nature
and Forest
Cel biometrie, methodologie en kwaliteitszorg / Section biometrics,
methodology and quality assurance
Gaverstraat 4
9500 Geraardsbergen
tel. + 32 54/436 185
Thierry.Onkelinx op inbo.be 

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