The job system of Octopath Traveler and the symmetric group

Octopath Traveler is an RPG where you take control of eight characters, each having a unique job with a unique set of skills. In the course of the game you may give each character a secondary job (but you can’t endow them with the same job twice). Since a party may only consist of four …

The Bayes classifier

The Bayes classifier is a Data Scientist’s unbeatable arch enemy. When faced with the challenge of finding an optimal solution to a classification problem, it is the ultimate (theoretical!) benchmark when evaluating the performance of a classifier. The problem with the Bayes classifier is that it uses information that generally is not available to us …