On heterogeneous latent class models with applications to the analysis of rating scores

Aurélie Bertrand () and Christian Hafner

Computational Statistics, 2014, vol. 29, issue 1, 307-330

Abstract: Discovering the preferences and the behaviour of consumers is a key challenge in marketing. Information about such topics can be gathered through surveys in which the respondents must assign a score to a number of items. A strategy based on different latent class models can be used to analyze such data and achieve this objective: it consists in identifying groups of consumers whose response patterns are similar and characterizing them in terms of preferences and covariates. The basic latent class model can be extended by including covariates to model differences in (1) latent class probabilities and (2) conditional probabilities. A strategy for fitting and choosing a suitable model among them is proposed taking into account identifiability issues, the identification of potential covariates and the checking of goodness-of-fit. The tools to perform this analysis are implemented in the R package covLCA available from CRAN. We illustrate and explain the application of this strategy using data about the preferences of Belgian households for supermarkets. Copyright Springer-Verlag Berlin Heidelberg 2014

Keywords: Latent class analysis; Rating scores; Heterogeneity; EM algorithm; Marketing (search for similar items in EconPapers)
Date: 2014
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Working Paper: On heterogeneous latent class models with applications to the analysis of rating scores (2014)
Working Paper: On heterogeneous latent class models with applications to the analysis of rating scores (2011)
Working Paper: On heterogeneous latent class models with applications to the analysis of rating scores (2011)
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DOI: 10.1007/s00180-013-0450-5

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