A maximum likelihood method for fitting the wandering vector model |
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| Authors: | Geert De Soete J D Carroll |
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| Institution: | 1. Department of Psychology, University of Ghent, Henri Dunantlaan 2, B-9000, Ghent, Belgium
2. Bell Laboratories, Room 2C-553, 600 Mountain Avenue, 07974, Murray Hill, New Jersey
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| 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. |
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