|Title||Multivariate analysis of coffee images : A study in the simultaneous display of multivariate quantitative and qualitative variables for several assessors|
|Author(s)||Gower, John C.; Dijksterhuis, Garmt B.|
|Source||Quality and quantity: international journal of methodology 28 (1994)2. - ISSN 0033-5177 - p. 165 - 184.|
|Publication type||Refereed Article in a scientific journal|
The paper discusses a small image study in which seven assessors judge nine brands of coffee in terms of six quantitative variables and five categorical variables. Generalised Procrustes Analysis and Generalised Biplots are combined to display simultaneously information on the brands and on both quantitative and categorical variables. An outline is given of the methodology.