“Fail fast, pivot, and try again” is the heart of learning. And in knowledge-based industries, the economies of learning are more powerful than the economies of scale. In February 2020, Dr. Anthony Fauci wrote that store-bought face masks would not be very effective at protecting against the COVID-19 pandemic and advised a traveler not to… Read More »We Live in a Bayesian World The post We Live in a Bayesian World appeared first on Data Science Central.