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Title:
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A Note on the Dual Scaling of Dominance Data and its Relationship to Correspondence Analysis
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Author:
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Greenacre, Michael J.; Torres, Anna
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Other authors:
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Universitat Pompeu Fabra. Departament d'Economia i Empresa |
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Abstract:
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Dual scaling of a subjects-by-objects table of dominance data (preferences, paired comparisons and successive categories data) has been contrasted with correspondence analysis, as if the two techniques were somehow different. In this note we show that dual scaling of dominance data is equivalent to the correspondence analysis of a table which is doubled with respect to subjects. We also show that the results of both methods can be recovered from a principal components analysis of the undoubled dominance table which is centred with respect to subject means. |
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Publication date:
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2005-09-15 |
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Subject(s):
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Correspondence analysis, dominance data, dual scaling, paired comparisons, preferences, principal component analysis, ratings |
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Rights:
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Aquest document està subjecte a una llicència d'ús de Creative Commons, amb la qual es permet copiar, distribuir i comunicar públicament l'obra sempre que se'n citin l'autor original, la universitat i el departament i no se'n faci cap ús comercial ni obra derivada, tal com queda estipulat en la llicència d'ús (http://creativecommons.org/licenses/by-nc-nd/2.5/es/) |
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Document type:
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Working Paper |
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