29  Data Visualization

29.1 Learning objectives

  • Choose a display that matches the variables and question.
  • Explore distributions, relationships, and group differences.
  • Describe patterns and limitations without overstating what a plot shows.

29.2 From question to plot

29.3 Distributions

29.4 Relationships and group comparisons

29.5 Labels, scales, and color

29.6 Missingness and unusual observations

29.7 Demo: Visualization with rtemis

29.8 Hands-on practice

29.9 Checkpoint

29.10 Further study