Multivariate statistical analysis uses techniques of variables selection and aggregation. Numerous economic phenomena belong to the application field of multivariate analysis. Generally all phenomena described by large number of variables may be analyzed within this framework. On the other side,...

There is a consensus that the best way to forecast customer churn is by statistical methods. It is, however, unclear when which statistical method is more appropriate. This study aims to provide a set of guidelines to data scientists and researchers who are interested in optimizing statistical...