In this chapter, we listed some of the various packages that are available for converting various kinds of data into R. There are a lot of different options, and even the options we have listed have a wide functionality, which we are going to cover and use as we go further into the book. We learned how to read all kinds of delimited datasets into R packages using the readr package and also advanced options for reading in Excel data. We then learned how to use the jsonlite package to read JSON in R data structures and learned how to use the httr package to read data into R from web APIs.
At the end of the chapter, we learned how to get data into R by scraping the web using the rvest package, and we also learned how to connect to relational databases from R using the DBI package.
In the next chapter, we will explore how to identify and clean missing and erroneous data. This...