Although there are many datasets available in convenient formats, there’s also a lot of data that’s stored in tougher-to-access ways, like as a table on web page. To get at this data, we’ll need to use web scraping. In R, we can do that with the rvest scraping package.
In this course, you’ll learn how to scrape the web using R and rvest. You’ll start by learning the basics of web page structure, and a little about HTML and CSS. You’ll also learn how to get the code from a page into your R workflow for further parsing and cleaning.阅读更多.
The techniques and tools covered in Web Scraping in R are most similar to the requirements found in 商业分析师 data science job advertisements.
