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Algorithms2
Hypothesis Testing2
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Multidimensional Scaling2
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Psychometrika2
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Borg, Ingiver1
Davison, Mark L.1
Lingoes, James C.1
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A Model and Algorithm for Multidimensional Scaling with External Constraints on the Distances.
Peer reviewed Peer reviewed
Borg, Ingiver; Lingoes, James C. – Psychometrika, 1980
A method for externally constraining certain distances in multidimensional scaling configurations is introduced and illustrated. The method is described in detail and several examples are presented. (Author/JKS)
Descriptors: Algorithms, Hypothesis Testing, Mathematical Models, Multidimensional Scaling
Fitting and Testing Carroll's Weighted Unfolding Model for Preferences
Peer reviewed Peer reviewed
Davison, Mark L. – Psychometrika, 1976
Proposes a quadratic programming, least squares solution to Carroll's weighted unfolding model with nonnegativity constraints imposed on weights. It can be used to test various hypotheses about the weighted unfolding model with or without constraints. (RC)
Descriptors: Algorithms, Correlation, Goodness of Fit, Hypothesis Testing