• 1. Introduction
  • 2. Description of the data used for the investigation
  • 3. Classification
  • 3.1 Calculation of a distance matrix
  • 3.2 The cluster analysis
  • 3.3 Results
  • 3.4 Modal day-courses
  • 4. Socioeconomic description
  • 5. Explanatory power of cluster-affiliations in a socio-economic context
  • 6. Conclusions and future research