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A Maximum Likelihood Method for Fitting the Wandering Vector Model

Published online by Cambridge University Press:  01 January 2025

Geert De Soete*
Affiliation:
University of Ghent
J. D. Carroll*
Affiliation:
Bell Laboratories
*
Requests for reprints should be sent to either Geert De Soete, Department of Psychology, University of Ghent, Henri Dunantlaan 2, B-9000 Ghent, Belgium; or to J. Douglas Carroll, Bell Laboratories, Room 2C-553, 600 Mountain Avenue, Murray Hill, New Jersey 07974.
Requests for reprints should be sent to either Geert De Soete, Department of Psychology, University of Ghent, Henri Dunantlaan 2, B-9000 Ghent, Belgium; or to J. Douglas Carroll, Bell Laboratories, Room 2C-553, 600 Mountain Avenue, Murray Hill, New Jersey 07974.

Abstract

After introducing some extensions of a recently proposed probabilistic vector model for representing paired comparisons choice data, an iterative procedure for obtaining maximum likelihood estimates of the model parameters is developed. The possibility of testing various hypotheses by means of likelihood ratio tests is discussed. Finally, the algorithm is applied to some existing data sets for illustrative purposes.

Information

Type
Original Paper
Copyright
Copyright © 1983 The Psychometric Society

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