In this book excerpt, learn how to import data into R from spreadsheets, HTML tables, and more.

See how to join two data sets by one or more common columns using base R’s merge function, dplyr join functions, and the speedy data.table package.

Analysing or using data without software is incredibly cumbersome if not impossible. Here we show you how you can import data from the web into a tool called R. Reasons why R has become so popular, ...

This post covers how to import data into R by reading data from common text files and Excel spreadsheets. In addition, I cover how to load data from saved R object files, which is the preferred method ...