Your ML model is telling you a beautiful story. The problem? It's probably fiction. You have a model that predicts customer churn with...

The response to last week's post on the Synthetic Control Method was incredible. The questions flooding my inbox and past week's...

Over the last few weeks, we've assembled a powerful toolkit for causal inference from observational data: Covariate Adjustment,...

For the past two months, we've gone deep. We've talked Causal DAGs, RCTs, SUTVA, and the failures of strategy that lead to "dashboard...

Here are the types of questions I live to answer: “Our dashboard shows that when sales reps make more calls, customer churn increases. Are the calls driving them away?” (A classic confounding question!) “We launched a new wellness program, and employee productivity went up. How do I prove the program caused the improvement, and it wasn't just a good quarter?” "What is the single most dangerous, 'looks-right-but-is-wrong' metric you've ever seen a C-level executive