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 ...

Understand what are R and R Studio Develop the good habit of working with scripts Learn to import data in R Learn to manipulate R objects like vectors and data frames Make a simple plot R is a ...

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 ...

We often want to “subset” our data. That is, we only want to look at data for a certain year, or from a certain class products or customers. We generally call this process “filtering” in Excel or ...