Biplots of free‐choice profile data in generalized orthogonal Procrustes analysis

Biplots of free‐choice profile data in generalized orthogonal Procrustes analysis Summary.  Free‐choice profiling is a technique that is used in sensory studies whereby assessors are allowed to describe products by using their own preferred descriptors and own number of descriptors. We show how a study of this type on eight varieties of port wine can be analysed and, in particular, how to associate the descriptors of the wines with each assessor and with a group average representation. We show how biplots combined with generalized orthogonal Procrustes analysis can be constructed and used to explore consistencies and idiosyncrasies among assessors’ uses of their descriptors and scales. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of the Royal Statistical Society: Series C (Applied Statistics) Wiley

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Publisher
Wiley
Copyright
Copyright © 2007 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0035-9254
eISSN
1467-9876
DOI
10.1111/j.1467-9876.2007.00586.x
Publisher site
See Article on Publisher Site

Abstract

Summary.  Free‐choice profiling is a technique that is used in sensory studies whereby assessors are allowed to describe products by using their own preferred descriptors and own number of descriptors. We show how a study of this type on eight varieties of port wine can be analysed and, in particular, how to associate the descriptors of the wines with each assessor and with a group average representation. We show how biplots combined with generalized orthogonal Procrustes analysis can be constructed and used to explore consistencies and idiosyncrasies among assessors’ uses of their descriptors and scales.

Journal

Journal of the Royal Statistical Society: Series C (Applied Statistics)Wiley

Published: Aug 1, 2007

Keywords: ; ; ;

References

  • Procrustes Analysis
    Gower, J. C.; Dijksterhuis, G. B.

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