R code examples to teach basic Web scraping with rvest and related packages.

Used at a two-day workshop in November 2018: refer to the introductory slides, in French, for details.

Please report any bugs or errors in the issues of this repository, or email me.

1. lagasafn · legal cross-references in Icelandic law
2. jorf · XML field extraction from the French Official Journal
3. cop21 · word extraction from the UNCC Paris Accord
4. qosd · keyword co-occurrence in French parliamentary questions

Projects mentioned but not included in the repository:

• marsad · voting behaviour in the Tunisian parliament
• parlnet · bill cosponsorship in European parliaments
• parlviz · interactive visualizations of the above

Slides shown but not included in the repository (available on request):

• "Large-scale legislative data collection from online sources" (2016)
• "Web scraping et APIs avec R" (2017)

1. Run the dependencies.r script to install all required packages.
2. Run each code folder separately. Each has its own .Rproj file.

• Sabrina Granger and Isabelle Scarpat-Bouvet for excellent logistics.
• Thomas J. Leeper for his word_count function, used in the cop21 example.
• Emiliano Grossman for inspiring the qosd example.