Abstract
Conjoint analysis is a family of techniques that originated in psychology and later became popular in market research. The main objective of conjoint analysis is to measure an individual’s or a population’s preferences on a class of options that can be described by parameters and their levels. We consider preference data obtained in choice-based conjoint analysis studies, where one observes test persons’ choices on small subsets of the options. There are many ways to analyze choice-based conjoint analysis data. Here we discuss the intuition behind a classification based approach, and compare this approach to one based on statistical assumptions (discrete choice models) and to a regression approach. Our comparison on real and synthetic data indicates that the classification approach outperforms the discrete choice models.
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Notes
- 1.
The linearity assumption can be mitigated by combining dependent parameters into a single one, see[5] for a practical example.
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Giesen, J., Mueller, K., Taneva, B., Zolliker, P. (2010). Choice-Based Conjoint Analysis: Classification vs. Discrete Choice Models. In: Fürnkranz, J., Hüllermeier, E. (eds) Preference Learning. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-14125-6_14
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DOI: https://doi.org/10.1007/978-3-642-14125-6_14
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