John Geer

How to Tell When You Have Enough Data to Act

Statistical principles for decision making

Marketing Attribution for Fun and Profit

How to measure whether your marketing is profitable

How to Analyze Your Predictable Data: Anomaly Detection

Noticing unexpected observations among an ocean of expected ones.
Featured on DataScienceCentral.com and @analyticbridge.

Customer Retention with Statistical Learning

Predicting if customers plan to leave and finding the best intervention

Using Data Science to Estimate Annual Cycles in Housing

Even in the housing market, some things are predictable.
This post was featured on DataScienceCentral.com.

Better Estimation When Perfection Is Unlikely: A Bayesian Example

A simple formula that is hard to derive.

A Better Way to Rank a Huge Number of Things

Statistics & Crowd Sourced News