Visual Perception

• Looking for data? Andy Kirk has a comprehensive list of sources.
• Do pie charts really deserve all that shade? Maybe not.
• Let's find out for ourselves! Here we'll replicate studies by Cleveland and McGill (Science, 1985) and Heer and Bostock (CHI, 2010). Take this survey.

• Can we reverse-engineer human perception?
• Data: melting and grouping.