After talking about the fundamentals of the rvest library, now we are going to deep dive into web scraping with rvest. We are going to talk about how to collect URLs from the website we would like to scrape.
We will use some simple regex rules for this issue. As we have learned how XPath works, then its time to write XPath rules. Once we have XPath rules and regex rules ready, we will jump into writing scripts to collect data from the website. That would be great, if we have a chance to play with the data we are going to collect. Don't worry; we will play with data, draw some plots, and create some charts.
We will collect a dataset from a blog, which is about big data (www.devveri.com). This website provides useful information about big data, data science domains. It is totally free of charge. People can visit this website and find use...
