We discussed the question of collecting data through scraping of Web sites, PDF files and APIs in class, but did not manage to get too deep into specifics. On this page are recommended tutorials. Feel free to add a comment if you have another one in mind!

Web pages

• Introduction to Web scraping in R from University of Wisconsin-Madison
• Scrapingbee - Web Scraping with R
• RStudio - rvest: easy web scraping

PDFs

• https://tabula.technology/
• tabulizer package
• https://docs.ropensci.org/pdftools/

APIs

• https://www.dataquest.io/blog/r-api-tutorial/
• https://jeroen.cran.dev/jsonlite/articles/json-apis.html
• https://www.r-bloggers.com/2015/11/accessing-apis-from-r-and-a-little-r-programming/

Stats

• http://milton-the-cat.rocks/home/adventr.html
• https://dsbrillantes.github.io/ISL-R-Notebooks/