Tidsskrift : Food Quality and Preference , vol. 43 , p. 34–46–12 , 2015
Utgiver : Elsevier
Trykt : 0950-3293
Elektronisk : 1873-6343
Publikasjonstype : Vitenskapelig artikkel
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Generalised procrustes analysis and multiple factor analysis are multivariate statistical methods that belong to the family of multiblock methods. Both methods are often used for analysis of data from projective mapping (a.k.a. Napping). In this study, generalised procrustes analysis and multiple factor analysis are compared for a number of simulated and real data sets. The type of data used in this study were (I) random data from Monte Carlo simulations; (II) constructed data that were manipulated according to some specific criteria; (III) real data from nine Napping experiments. Focus will be on similarities of the consensus solutions. In addition we considered interpretation of the RV coefficient and individual differences between assessors.