Comparisons

Readings due before class on Tuesday, October 23, 2018

Required

• Chapter 9 in Claus Wilke, Fundamentals of Data VisualizationClaus E. Wilke, Fundamentals of Data Visualization (Sebastopol, California: O’Reilly Media, 2018), https://serialmentor.com/dataviz/.
  
  
• Sparkline theory and practiceThis is a collection of posts by Edward Tufte about sparklines—scroll down a ways and check out his examples, analysis, and critiques.
  
  
• Time series sparklines
• The bullet graph
• Lollipop chartsIf you’re feeling adventurous (and you should!), do this tutorial as you read it.
  
  

Questions to reflect on

• These readings all show a ton of new ways to present comparisons. Which ones are your favorite? Which ones didn’t quite click with you? In what situations are some more appropriate than others?
• Do bullet graphs break the rule against double y-axes? Why or why not?