Good and Bad Data Visualizations

Week 3
💻 🧰 📊 🥳

Jessica Cooperstone, Ph.D.

Housekeeping

• Questions from the previous class?
• Take edX R basics class if you don’t have R experience. Can also go through content at an R Basics Code Club workshop from August 2026.
• Start think about identifying a data-set for your capstone assignment
• Don’t forget about your reflections 🪞
• Recitations start next week!

Office hours

• Jess: XXXXX Pelotonia Research Center 1103 or via Zoom
• Mia: XXXX Pelotonia Research Center 1170 or via Zoom (tell Mia if you want to attend in person)
• Those who want to attend office hours in person, send us a message and we will come get you from the lobby
• Those who want to attend office hours virtually, use the same Zoom link for class

What was easier to find?

• Good 👏 visualizations
• Bad 😡 visualizations

What are we doing today?

• Bad: why are they bad (specifically), how can they be made better?
• Good: why are they good (specifically), can we still improve them?

Bad visualizations 😡

Good visualizations 👏

Closing thoughts