An analysis and synthesis of multiple correspondence analysis,optimal scaling,dual scaling,homogeneity analysis and other methods for quantifying categorical multivariate data |
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Authors: | Michel Tenenhaus Forrest W. Young |
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Affiliation: | (1) University of North Carolina at Chapel Hill, USA;(2) Department S.I.A.D., Centre d'Enseignement Superieur des Affaires, 78350 Jouy-en-Josas, Paris, France |
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Abstract: | We discuss a variety of methods for quantifying categorical multivariate data. These methods have been proposed in many different countries, by many different authors, under many different names. In the first major section of the paper we analyze the many different methods and show that they all lead to the same equations for analyzing the same data. In the second major section of the paper we introduce the notion of a duality diagram, and use this diagram to synthesize the many superficially different methods into a single method.The ideas in this paper were worked out by the first author, with some suggestions provided by the second. The current version of this paper has evolved from three previous versions, the first two written by the first author. |
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Keywords: | multiple correspondence analysis optimal scaling dual scaling homogeneity analysis categorical multivariate data |
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