Contenu de l'article

Titre Introduction à l'analyse de similitude
Auteur Alain Degenne, Pierre Vergès
Mir@bel Revue Revue Française de Sociologie
Numéro 1973, 14-4
Page 471-511
Résumé anglais Alain Degenne and Pierre Verges : Introduction to Similitude Analysis. This article introduces a new method of data analysis: similitude analysis. In the first part, the authors merely present the technique through the use of an example. In the second part, they develop the theoretical frame. Finally, data processing enables them to stress the use of this tool in the analysis of social indicators of rural development in Lebanon. Similitude analysis permits to explore a set of data by means of methods borrowed from the graph theory. The starting point is the calculation of a similitude index between each couple of variables or elements under study. The resulting similitude matrix is treated from two complementary points of view: -the selection within the whole set of relations of a partial graph with features of local « maximality » (maximum tree, ternary analysis) . - the aggregation of objects of analysis as joint sets according to an internal homogeneity threshold of these groups and the organization of these sets through a « straining » graph. The authors develop in the second part of the article the relations between the two approaches.
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