MTA acknowledges OMNY defects
But it's not in a hurry to fix them
algorithm
Can measure vs should measure
Sources of inaccuracy in data
One solution to OMNY's math problem
Here's one way to implement fare capping
The forbidding math of finding terrorists
New York subway tests a gun detection technology
Are 81 percent of Elon Musk's twitter followers fake?
Kaiser reads an estimate of Musk's spam proportion.
A puzzle, and a cause for concern
Kaiser Fung, founder of Principal Analytics Prep and author of Numbersense, reports on a disturbing encounter with Google News.