MTA lowers revenues while upping stress on some commuters
An economic analysis of MTA's switch to OMNY cards
Variability
OMNY's mind-blowing solution to a math problem
The unintuitive fare capping scheme for NYC commuters
Interpreting margins of error in tennis calls
When two sources of evidence disagree: pick a winner or combine
Electronic line calling vs ground truth in tennis
Electronic line calling vs ground truth in tennis
Illusion of perfection
The illusion of perfection ignores statistical uncertainty
Running out of matches
On a rule of matching in medical studies