1.3 Conventions and Notes

• A member of the organization will be referred to as an example. Each example is described by a set of features (explanatory variables) and has two targets (dependent variables) associated.

• The current promotion refers to the most recent promotion made, current donors are those examples who donated in response to the promotion.

• A lapsed donor is an example who made their last donation between 13 and 24 months prior to the current promotion.

• Software packages are denoted as package with specific modules contained in packages written as package.module.Class. Where available, software used is cited with the article in which it was published. Less established packages are cited by giving their public source code repositories.

• All self-written code, including the reproducible analysis process, is published online at https://github.com/datarian/master-thesis-msc-statistics. These resources, especially the folder notebooks, form an integral part of this thesis.