Published on in Vol 25 (2023)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/44599, first published .
Tensorial Principal Component Analysis in Detecting Temporal Trajectories of Purchase Patterns in Loyalty Card Data: Retrospective Cohort Study

Tensorial Principal Component Analysis in Detecting Temporal Trajectories of Purchase Patterns in Loyalty Card Data: Retrospective Cohort Study

Tensorial Principal Component Analysis in Detecting Temporal Trajectories of Purchase Patterns in Loyalty Card Data: Retrospective Cohort Study

Reija Autio   1 , PhD ;   Joni Virta   2 , PhD ;   Klaus Nordhausen   3 , PhD ;   Mikael Fogelholm   4 , SCD ;   Maijaliisa Erkkola   4 , PhD ;   Jaakko Nevalainen   1 , PhD

1 Faculty of Social Sciences (Health Sciences), Tampere University, Tampere, Finland

2 Department of Mathematics and Statistics, University of Turku, Turku, Finland

3 Department of Mathematics and Statistics, University of Jyväskylä, Jyväskylä, Finland

4 Department of Food and Nutrition, University of Helsinki, Helsinki, Finland

Corresponding Author:

  • Reija Autio, PhD
  • Faculty of Social Sciences (Health Sciences)
  • Tampere University
  • P.O. Box 100
  • Tampere, FI-33014
  • Finland
  • Phone: 358 50 318 7364
  • Email: reija.autio@tuni.fi