A probability is a number that takes some value equal to or between zero and one. If the probability of the 'event' of interest is zero, then the event cannot occur. So, for example, the probability ...

What’s often misunderstood about Google’s incrementality testing and how Bayesian models use probability to guide better decisions.

Learn how prior probability informs economic theory and decision-making in Bayesian statistics. Understand its role before collecting new data.

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American I’m not sure when I first heard of Bayes’ ...