Week 2, Part 1: Graphics with ggplot2

1 Learning Objectives

• Describe charts using the grammar of graphics
• Create layered graphics that highlight multiple aspects of the data

📖 Readings: 45-60 min

💻 Activities: 45-60 min

📽 Optional Videos: 60 min

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2 Building Graphics with ggplot2

Building a masterpiece, by Allison Horst

We went over the big-picture, most important (IMO) elements of creating graphics using ggplot2 in class. These readings and tutorials will get into more of the details and nitty-gritty of working with ggplot2.

📖 Required Reading: R4DS Data Visualization 1.1 - 1.5.

💻 Suggested Tutorials

• Bar Charts
• Histograms
• Scatterplots
• Line Plots

📖 Required Reading: R4DS Layers.

3 Optional Videos

If you like learning and reviewing with videos, these videos created by Dr. Allison Theobold for STAT 331 will review what is covered in the required reading.

• ggplot2 First Steps
• What is an aesthetic?
• What is a geometric object?
• Global vs. local aesthetics
• Adding a third variable with facets
• What is being plotted? Positions