Why summary statistics are not enough#

Data sets with identical summary statistics can look totally different.


Know efficient visualization mechanics#

I really enjoyed these slides on the principles of visualization from Saravanan Thirumuruganathan’s course on Data Mining. I particularly liked the overview of efficient visualization mechanics.

Source: Figure, Research

Use small multiples liberally#

Small multiples means using multiple smaller charts in a figure. Notice how the right chart is much easier to understand than the left.

Source: Jake VanderPlas 2019 Pycon Talk

Maximize data to ink ratio#

Edward Tufte popularized the idea of data to ink ratio. Simply put, it implies removing as much as chart junk as possible such that only the informative parts remain.