Hello, I am still looking for a technical solution to this. The given links in the answers above give some gist around it but I am not pretty clear what is happening to calculate the categorical outliers. In one of the answers: "it uses log probabilities, interquartile ranges, as well as gaussian assumptions". If I want to implement by my self, how should I go forward? How the log probabilities are applied? Will anyone please help? Thank you very much.   ... View more