When we started the development of our CD to support the teaching of our basic statistic courses our work was twofold: we had to develop the content and the necessary software ourselves. Maintaining our software development ...

Teaching statistics to students in our area of economics and educational science often brings about the problem that students have either forgotten their statistical knowledge, or have taken different classes than the ones ...

Statistical software has also become an important part of scientific research that is reflected in the publications of the research results. Publishing a mathematical theorem requires also the publication of the proof of ...

In der Vergangenheit wurden viele (interaktive) Lehrmaterialien auf proprietären Plattformen entwickelt. Mit den Web 2.0 Technologien bieten sich neue interaktive und technische Möglichkeiten der Darstellung dieser Lehrinhalte ...

In high-dimensional data, one often seeks a few interesting low-dimensional projections that reveal important features of the data. Projection pursuit is a procedure for searching high-dimensional data for interesting ...

E-learning plays an important role in education as it supports online education via computer networks and provides educational services by utilising information technologies. We present a case study describing the development ...

Exploratory factor analysis (EFA) is an important tool in data analyses, particularly in social science. Usually four steps are carried out which contain a large number of options. One important option is the number of ...

Statistical research has always been at the edge of available computing power. Huge datasets, e.g in DataMining or Quantitative Finance, and computationally intensive techniques, e.g. bootstrap methods, always require a ...