Testing for Truth vs Maximizing Revenue

I've written a blog post describing the testing philosophy of SmartStats, VWO's new Bayesian powered A/B testing engine. In it, I discuss the difference between hypothesis testing (with the goal of finding truth) and making good decisions (with the goal of maximizing revenue). Go check it out on the …

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Wingify releases Bayesian A/B tester

I've written a number of posts here about a/b testing, and readers have probably observed that I favor the Bayesian approach. I'm very happy to announce that Wingify (my employer) has release SmartStats - a fully Bayesian A/B testing engine. I've always maintained that you should A/B test …

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Free Monads in Scalaz - how to use them

In category theory, a Free Object is an algebraic object M[_] possessing a natural transformation - a way of lifting a function f: A => N into a function from M[A] => N which preserves the algebraic structure. In this article I'm going to discuss how this applies to the Free …

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