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rsweavebiblatex

Impossible to cite with biblatex in R Sweave

I am writing a report with R Sweave and I would like to cite papers. It is the first time I use Sweave, but in Latex alone I used to call my bibliography with biblatex. Therefore, I'm calling the .bib file placed in the folder where my .Rnw file is.

Here's my code : 

\documentclass[11pt, twocolumn]{article}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[backend=biber]{biblatex} 
\addbibresource{references.bib}

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

test : \cite{helpman_globalization_2016}

\printbibliography

\end{document}

and here's the paper I want to cite (placed in references.bib) : 

@article{helpman_globalization_2016,
  langid = {english},
  title = {Globalization and {{Wage Inequality}}},
  url = {http://www.nber.org/papers/w22944.pdf},
  number = {22944},
  journaltitle = {NBER Working Paper Series},
  urldate = {2019-01-24},
  date = {2016},
  author = {Helpman, Elhanan},
  doi = {10.3386/w22944}
}

I searched in several links but I couldn't find a solution :

I also tried with backend = bibtex but it didn't work. Here are the lines of the log describing the problem (I think) :

LaTeX Font Info:    ... okay on input line 8.
Package biblatex Info: Input encoding 'utf8' detected.
Package biblatex Info: Automatic encoding selection.
(biblatex)             Assuming data encoding 'utf8'.
Package biblatex Info: Input encoding 'utf8' specified.
Package biblatex Info: Data encoding 'utf8' specified.
(biblatex)             No need to reencode data.
\openout3 = `test_biblio-blx.bib'.

Package biblatex Info: Trying to load bibliographic data...
Package biblatex Info: ... file 'test_biblio.bbl' not found.

No file test_biblio.bbl.

Does anybody have a solution ?

Also asked here : https://community.rstudio.com/t/impossible-to-cite-with-biblatex-in-r-sweave/35008

Solution

  • From what I've seen from obssessively googling this you can try to compile it in another program and move the test_biblio.bbl file into the working directory.

    I tried doing this in my Texmaker with your example and it worked. So you'll just have to recompile externally when you want to see your references.

    Source of solution: https://support.rstudio.com/hc/en-us/community/posts/200655573-using-knitr-and-bib-file-I-get-a-blank-bbl-file-