Profile identification via weighted related metric scaling: an application to dependent Spanish children

Irene Albarrán, Pablo Alonso and Aurea Grané

Journal of the Royal Statistical Society Series A, 2015, vol. 178, issue 3, 593-618

Abstract: type="main" xml:id="rssa12084-abs-0001">

Disability and dependence (lack of autonomy in performing common everyday actions) affect health status and quality of life; therefore they are significant public health issues. The main purpose of this study is to use classical multi-dimensional scaling techniques to design dependence profiles for Spanish children between 3 and 6 years old. The data come from the Survey about Disabilities, Personal Autonomy and Dependence Situations, 2008. Two distance (or dissimilarity) functions between individuals are considered: the classical approach using Gower's similarity coefficient and weighted related metric scaling. Both approaches can cope with different types of information (quantitative, multistate categorical and binary variables). However, the Euclidean configurations that are obtained via weighted related metric scaling present a higher percentage of explained variability and higher stability.

Date: 2015
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