Constrained DEDICOM

Henk A.L. Kiers; Yoshio Takane

doi:10.1007/BF02294580

Constrained DEDICOM

Henk A.L. Kiers, Yoshio Takane

Psychometrics and Statistics

Research output: Contribution to journal › Article › Academic › peer-review

9 Citations (Scopus)

Abstract

The DEDICOM method for the analysis of asymmetric data tables gives representations that are identified only up to a nonsingular transformation. To identify solutions it is proposed to impose subspace constraints on the stimulus coefficients. Most attention is paid to the case where different subspace constraints are imposed on different dimensions. The procedures are discussed both for the case where the complete table is fitted, and for cases where only off-diagonal elements are fitted. The case where the data table is skew-symmetric is treated separately as well.

Original language	English
Pages (from-to)	339-355
Number of pages	17
Journal	Psychometrika
Volume	58
Issue number	2
DOIs	https://doi.org/10.1007/BF02294580
Publication status	Published - Jun-1993

Keywords

ASYMMETRIC RELATIONSHIPS
ALTERNATING LEAST SQUARES
MULTIDIMENSIONAL-ANALYSIS
ALGORITHM
MODEL

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title = "Constrained DEDICOM",

abstract = "The DEDICOM method for the analysis of asymmetric data tables gives representations that are identified only up to a nonsingular transformation. To identify solutions it is proposed to impose subspace constraints on the stimulus coefficients. Most attention is paid to the case where different subspace constraints are imposed on different dimensions. The procedures are discussed both for the case where the complete table is fitted, and for cases where only off-diagonal elements are fitted. The case where the data table is skew-symmetric is treated separately as well.",

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AU - Kiers, Henk A.L.

AU - Takane, Yoshio

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N2 - The DEDICOM method for the analysis of asymmetric data tables gives representations that are identified only up to a nonsingular transformation. To identify solutions it is proposed to impose subspace constraints on the stimulus coefficients. Most attention is paid to the case where different subspace constraints are imposed on different dimensions. The procedures are discussed both for the case where the complete table is fitted, and for cases where only off-diagonal elements are fitted. The case where the data table is skew-symmetric is treated separately as well.

AB - The DEDICOM method for the analysis of asymmetric data tables gives representations that are identified only up to a nonsingular transformation. To identify solutions it is proposed to impose subspace constraints on the stimulus coefficients. Most attention is paid to the case where different subspace constraints are imposed on different dimensions. The procedures are discussed both for the case where the complete table is fitted, and for cases where only off-diagonal elements are fitted. The case where the data table is skew-symmetric is treated separately as well.

KW - ASYMMETRIC RELATIONSHIPS

KW - ALTERNATING LEAST SQUARES

KW - MULTIDIMENSIONAL-ANALYSIS

KW - ALGORITHM

KW - MODEL

U2 - 10.1007/BF02294580

DO - 10.1007/BF02294580

M3 - Article

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SP - 339

EP - 355

JO - Psychometrika

JF - Psychometrika

IS - 2

ER -

Constrained DEDICOM

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Keywords

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