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Kudos to Professor Andrew Gelman

Kudos to Professor Andrew Gelman for telling a great joke at his own expense: Stupid-ass statisticians don’t know what a goddam confidence interval is. He brilliantly burlesqued a frustrating common occurrence many people say they “have never seen happen.” One of the pains of writing about data science is there […]

How do you know if your model is going to work?

Authors: John Mount (more articles) and Nina Zumel (more articles). Our four part article series collected into one piece. Part 1: The problem Part 2: In-training set measures Part 3: Out of sample procedures Part 4: Cross-validation techniques “Essentially, all models are wrong, but some are useful.” George Box Here’s […]

I was wrong about statistics

I’ll admit it: I have been wrong about statistics. However, that isn’t what this article is about. This article is less about some of the statistical mistakes I have made, as a mere working data scientist, and more of a rant about the hectoring tone of corrections from some statisticians […]