28.26 Adding Bibliographies

REVIEW knitr (Xie 2025) supports the automatic generation of a bibliography for the packages attached into R. We can take advantage of this by specifying a LaTeX bibliography package like natbib. I prefer the (author, year) style and so I include the following in the preamble of my LaTeX documents.

\usepackage[authoryear]{natbib}

If we attach the rattle (G. Williams 2026) package, we might like to cite it with the following LaTeX command:

[@R-rattle]

This will produce a citation like (G. Williams 2026). The `p'' in\citep` places the parentheses around the citation, without which we get G. Williams (2026).

Then we can ask knitr (Xie 2025) to generate bibliographic entries for each attached package:

write_bib(sub("^.*/", "", grep("^/", searchpaths(), value=TRUE)),
          file="mydoc.bib")

Note that the bibliography is saved to a file named mydoc.bib.

At the end of the LaTeX document, where we want the bibliography to appear, we add the following:

\bibliographystyle{jss}
\bibliography{mydoc}

See Page  to see what the bibliography will look like.

References

Williams, Graham. 2026. Rattle: R Data Science Supporting Rattle. https://togaware.com/projects/rattle/.

———. 2025. Knitr: A General-Purpose Package for Dynamic Report Generation in r. https://yihui.org/knitr/.

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