Working with Web Data in R
Reading and writing web data in R involves fetching data from online sources, such as websites or APIs, and processing it within R. This can be accomplished using packages like httr and rvest.
Reading Web Data
To read web data, you can use the httr package to make HTTP requests and fetch content from URLs. You can then parse the HTML content using the rvest package.
Writing Web Data
Writing web data usually involves sending data to a web service using HTTP POST or PUT requests. You can use the httr package to achieve this.
Fetching JSON Data from APIs
When dealing with web data, you often interact with APIs that return data in JSON format. You can use the httr package to fetch and parse JSON data.
Web Scraping with rvest
rvest is a package specifically designed for web scraping, allowing you to extract specific information from web pages.
Reading and writing web data in R involves using packages like httr for making HTTP requests and rvest for parsing HTML content. These tools enable you to fetch data from websites and APIs, as well as scrape specific information for analysis and integration with your R projects.