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An R Package for Probabilistic Latent Feature Analysis of Two-Way Two-Mode Frequencies

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  • Meulders, Michel

    ()
    (HUBrussel, KU Leuven)

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    Abstract

    A common strategy for the analysis of object-attribute associations is to derive a low-dimensional spatial representation of objects and attributes which involves a compensatory model (e.g., principal components analysis) to explain the strength of object-attribute associations. As an alternative, probabilistic latent feature models assume that objects and attributes can be represented as a set of binary latent features and that the strength of object-attribute associations can be explained as a non-compensatory (e.g., disjunctive or conjunctive) mapping of latent features. In this paper, we describe the R package plfm which comprises functions for conducting both classical and Bayesian probabilistic latent feature analysis with disjunctive or a conjunctive mapping rules. Print and summary functions are included to summarize results on parameter estimation, model selection and the goodness-of- t of the models. As an example the functions of plfm are used to analyze product-attribute data on the perception of car models, and situation-behavior associations on the situational determinants of anger-related behavior.

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    Bibliographic Info

    Paper provided by Hogeschool-Universiteit Brussel, Faculteit Economie en Management in its series Working Papers with number 2012/32.

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    Length: 25 page
    Date of creation: Sep 2012
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    Handle: RePEc:hub:wpecon:201232

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