Multidimensional Scaling Methods for Many-Object Sets: A Review.

Autor: Tsogo, L., Masson, M. H., Bardot, Anne
Předmět:
Zdroj: Multivariate Behavioral Research; 2000, Vol. 35 Issue 3, p307-319, 13p
Abstrakt: Given a set of dissimilarities data between n objects, multidimensional scaling is the problem of reconstructing a geometrical pattern of these objects, using n points, so that between-points distance corresponds to between-objects dissimilarity. Often, the collection of input data requires rating the dissimilarities between all n(n - 1)/2 possible pairs of stimuli. When the number of stimuli is large, say n $ 30, the number of pairs to be compared becomes very large and the similarity task inefficient. Hence a question of major importance is how to increase the efficiency of the similarity task while maintaining satisfactory scaling solutions. This article reviews the main similarity task methods suitable for a large objects set. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index