aronpalk / web_scraping

In this repository you will find the code of the "Coding 2: Web Scraping with R" course in the 2019/2020 Fall term, part of the MSc in Business Analytics at CEU.

Web scraping with R

Pre requirements:

• Installed R and R studio
• "rvest", "data.table", "jsonlite" package installed

install.packages(c("rvest", "data.table", "jsonlite"))

• SelectorGadget extension for browser. (Chrome is the preferred browser)

Topics:

• rvest, html_nodes, html_attr, html_table, lapply, sapply, for loop, if statment
• GET, POST, ad header and data to requests
• Selenium
• Multi threading with R and python