Confidence ellipses: a variation based on parametric bootstrapping applicable on Multiple Factor Analysis results for rapid graphical evaluation

Christian Dehlholm; Per B. Brockhoff; Wender Laurentius Petrus Bredie

doi:10.1016/j.foodqual.2012.04.010

Confidence ellipses: a variation based on parametric bootstrapping applicable on Multiple Factor Analysis results for rapid graphical evaluation

Christian Dehlholm, Per B. Brockhoff, Wender Laurentius Petrus Bredie

Research output: Contribution to journal › Journal article › Research › peer-review

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Abstract

A new way of parametric bootstrapping allows similar construction of confidence ellipses applicable on all results from Multiple Factor Analysis obtained from the FactoMineR package in the statistical program R. With this procedure, a similar approach will be applied to Multiple Factor Analysis results regardless of the origin of data and the nature of the original variables. The approach is suitable for getting an overview of product confidence intervals and also applicable for data obtained from ‘one repetition’ evaluations. Furthermore, it is a convenient way to get an overview of variations in different studies performed on the same set of products. In addition, the graphical display of confidence ellipses eases interpretation and communication of results.

Original language	English
Journal	Food Quality and Preference
Volume	26
Issue number	2
Pages (from-to)	278-280
Number of pages	3
ISSN	0950-3293
DOIs	https://doi.org/10.1016/j.foodqual.2012.04.010
Publication status	Published - 2012

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10.1016/j.foodqual.2012.04.010

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Confidence ellipses : a variation based on parametric bootstrapping applicable on Multiple Factor Analysis results for rapid graphical evaluation. / Dehlholm, Christian; Brockhoff, Per B.; Bredie, Wender Laurentius Petrus.

In: Food Quality and Preference, Vol. 26, No. 2, 2012, p. 278-280.

Research output: Contribution to journal › Journal article › Research › peer-review

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