Data Visualization with ggplot2

Reading for Class 04
Author
Affiliation

Lindsay Hayes

Department of Cell Biology, OUHSC

Published

July 10, 2025

Learning objectives

At the end of this lesson you will be able to:

  • Distinguish between good and bad plots
  • Match the type of plots with the type of data input
  • List the features of the grammer of graphics
  • Build complex graphics in ggplot2

Before class, read chapter 4 titled “Visualizing Data in the Tidyverse” from the Tidyverse Skills for Data Science Book by Carrie Wright, Shannon E. Ellis, Stephanie C. Hicks, and Roger D. Peng.

Reading: Visualizing Data in the Tidyverse

For more examples, you can checkout a YouTube video series on ggplot from Dr. Lace Padilla.

  1. Mastering ggplot2 in R [17 min]
  2. Mastering Axes in ggplot2 [16 min]
  3. Color Magic in ggplot2 [12.5 min]
  4. Mastering Facet_Wrap in ggplot2 [15 min]