Multivariate analysis of coffee images: A study in the simultaneous display of multivariate quantitative and qualitative variables for several assessors

Discusses a small image study in which 7 assessors judged 9 brands of coffee in terms of 6 quantitative variables and 5 categorical variables. Generalised Procrustes Analysis and Generalised Biplots are combined to display simultaneously information on the brands and on both quantitative and categor...

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Veröffentlicht in:Quality & quantity 1994-05, Vol.28 (2), p.165-184
Hauptverfasser: Gower, John C., Dijksterhuis, Garmt B.
Format: Artikel
Sprache:eng
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Zusammenfassung:Discusses a small image study in which 7 assessors judged 9 brands of coffee in terms of 6 quantitative variables and 5 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. (Original abstract-amended)
ISSN:0033-5177
1573-7845
DOI:10.1007/BF01102760