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- Title
An Application of Extended Analysis for Ranked Data with Ties.
- Authors
Brockhoff, P. B.; Best, D. J.; Rayner, J. C. W.
- Abstract
Standard analysis for ranks from two-way layout data with ties or for 'rank transformed' data with ties can be extended to allow market research to make better comparisons between products. In addition to detecting product average ranks effects, the new analysis allows detection of significant nonlinear effects, umbrella effects, linear contrasts and differences in distributions. The paper presents market research results comparing three types of french fries. There are no differences, according to the standard Friedman analysis. However significant nonlinear effects are found using the new analysis, which give the manufacturer important information.
- Subjects
CHI-squared test; RANKING; SENSORY evaluation; FRENCH fries; COMMERCIAL products
- Publication
Australian & New Zealand Journal of Statistics, 2004, Vol 46, Issue 2, p197
- ISSN
1369-1473
- Publication type
Article
- DOI
10.1111/j.1467-842X.2004.00324.x