# Generalized Extreme Studentized Deviate (GESD) test to detect outliers

The generalized (extreme Studentized deviate) ESD test (Rosner 1983) is used to detect one or more outliers in a univariate data set that follows an approximately normal distribution. The generalized ESD test can be used to answer the following question: How many outliers does the data set contain? I have released an R implementation of…