colleges <- read.csv("https://remiller1450.github.io/data/Colleges2019.csv") This online tutorial is designed to introduce you to data visualization and how to create ...

We start with ggplot2() function; which gives a blank plot area like a canvas. You can keep enhancing the plot by adding more layers (and themes) to an existing plot created using the ggplot() ...

The ggplot2 data visualization R package is extremely powerful and flexible. However, it’s not always easy to remember how to do every task – especially if you’re not a frequent user. How do you ...