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Correspondence analysis and association models constrained by a conditional independence graph.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Published
  • Antoine de Falguerolles
  • Said Jmel
  • Joe C. Whittaker
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<mark>Journal publication date</mark>06/1995
<mark>Journal</mark>Psychometrika
Issue number2
Volume60
Number of pages20
Pages (from-to)161-180
Publication StatusPublished
<mark>Original language</mark>English

Abstract

The manner in which the conditional independence graph of a multiway contingency table effects the fitting and interpretation of the Goodman association model (RC) and of correspondence analysis (CA) is considered. Estimation of the row and column scores is presented in this context by developing a unified framework that includes both models. Incorporation of the conditional independence constraints inherent in the graph may lead to equal or additive scores for the corresponding marginal tables, depending on the topology of the graph. An example of doubly additive scores in the analysis of a Burt subtable is given.