Using disaggregation in dataviz
Disaggregating data can be very useful when making charts
The most dangerous day
The most dangerous day in one's life
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.
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