Before you can analyze and visualize data, you have to get that data into R. There are various ways to do this, depending on how your data is formatted and where it’s located. Usually, the function ...

Welcome to Lesson 3 of our curriculum for SAS users learning R! In this lesson, we'll focus on one of the most fundamental tasks in data analysis: importing and exporting data. As a SAS user, you're ...

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. R has a number of quick, elegant ways to join data ...