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

BackgroundLoyalty card data automatically collected by retailers provide an excellent source for evaluating health-related purchase behavior of customers. The data comprise information on every grocery purchase, including expenditures on product groups and the time of purchas...

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Bibliographic Details
Main Authors: Reija Autio, Joni Virta, Klaus Nordhausen, Mikael Fogelholm, Maijaliisa Erkkola, Jaakko Nevalainen
Format: Article
Language:English
Published: JMIR Publications 2023-12-01
Series:Journal of Medical Internet Research
Online Access:https://www.jmir.org/2023/1/e44599