How would we know if Google engineers really improved traffic flow at intersections
It's not easy to measure the real-world impact of optimizations.
numbersense
Dead people, fake obituaries, and ad fraud
A story involving dead people, faked obituaries and digital ads.
Making colors and groups come alive
How to use color effectively in a dataviz
Statistical reasoning in sports
Mulling over some of the causal reasoning in Olympics coverage
Know your data 39: everyone's doing it
The USPS sends some data out, just like everyone else
Know your data 38: the script of the data leak theater
Kaiser ventures into the data leak theater.