Data-driven assisted model specification for complex choice experiments data: Association rules learning and random forests for Participatory Value Evaluation experiments

Jose Ignacio Hernandez*, Sander van Cranenburgh, Caspar Chorus, Niek Mouter

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

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Abstract

We propose three procedures based on association rules (AR) learning and random forests (RF) to support the specification of a portfolio choice model applied in data from complex choice experiment data, specifically a Participatory Value Evaluation (PVE) choice experiment. In a PVE choice experiment, respondents choose a combination of alternatives, subject to a resource constraint. We combine a methodological-iterative (MI) procedure with AR learning and RF models to support the specification of parameters of a portfolio choice model. Additionally, we use RF model predictions to contrast the validity of the behavioural assumptions of different specifications of the portfolio choice model. We use data of a PVE choice experiment conducted to elicit the preferences of Dutch citizens for lifting COVID-19 measures. Our results show model fit and interpretation improvements in the portfolio choice model, compared with conventional model specifications. Additionally, we provide guidelines on the use of outcomes from AR learning and RF models from a choice modelling perspective.
Original languageEnglish
Article number100397
JournalJournal of Choice Modelling
Volume46
DOIs
Publication statusPublished - 2023

Keywords

  • Association rules
  • Choice experiments
  • Machine learning
  • Participatory value evaluation
  • Random forests

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