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1 results

  • An Extension of Multiple Correspondence Analysis for Identifying Heterogeneous Subgroups of Respondents

  • Heungsun Hwang, William R. Dillon, Yoshio Takane
  • Journal:
    Psychometrika / Volume 71 / Issue 1 / March 2006
    Published online by Cambridge University Press:
    01 January 2025, pp. 161-171

  • An extension of multiple correspondence analysis is proposed that takes into account cluster-level heterogeneity in respondents’ preferences/choices. The method involves combining multiple correspondence analysis and k-means in a unified framework. The former is used for uncovering a low-dimensional space of multivariate categorical variables while the latter is used for identifying relatively homogeneous clusters of respondents. The proposed method offers an integrated graphical display that provides information on cluster-based structures inherent in multivariate categorical data as well as the interdependencies among the data. An empirical application is presented which demonstrates the usefulness of the proposed method and how it compares to several extant approaches.