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I recently read a book about how Big Data can help you “get what you really want in life” and avoid over-relying on your gut instincts when making important choices like whom to marry or what hobbies to take up. As the author suggests in this interview, the goal of the book is not to tell people to completely ignore their intuitions, but to get them to adopt more of a Moneyball approach to life decisions based on the latest rigorous Big Data analyses.

All code for this workshop is available on GitHub. We encourage you to play around with the examples as you follow along. Bayesian inference gives us a recipe for optimally revising uncertain beliefs after receiving evidence. Often times, we have good models of how hidden states of the world produce different outcomes, but we want to know what those hidden states are. Bayes’ rule gives us a recipe for solving such inverse problems.