Exploratory factor analysis (EFA) is an important tool in data analyses, particularly in social science. Usually four steps are carried out which contain an large number of options. One important option is the number of factors and the association of variables with a factor. Our tools aim to...

The Nutri-Score is currently used in 7 countries in the EU and is part of the German reduction and innovation strategy to combat non-communicable diseases related to unhealthy eating. The Nutri-Score is intended to inform consumers and serves as a guide when buying packaged food. The aim of this...