A general algorithm to fit constrained DEDICOM models

Roberto Rocci

Statistical Methods & Applications, 2004, vol. 13, issue 2, No 1, 139-150

Abstract: Abstract. The DEDICOM model is a model to analyze square tables describing asymmetric relationships among n entities. Its importance in the asymmetric multidimensional scaling literature is due to the fact that several authors showed a large class of models to be simply a constrained version of DEDICOM. A typical example is the Generalized GIPSCAL proposed by Kiers & Takane. In this paper we present a new algorithm capable to fit, in the least squares sense, any DEDICOM constrained model.

Keywords: Asymmetric multidimensional scaling; DEDICOM model; penalized least squares (search for similar items in EconPapers)
Date: 2004
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DOI: 10.1007/s10260-004-0089-z

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