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Exploratory Study on the Quality Grade of Korea Black Raspberry Wines by Using Consumer Preference Data

시판 복분자주의 기호도 분석을 통한 탐색적 등급 분류

  • Lee, Seung-Joo (Department of Culinary and Food Service Management, Sejong University)
  • 이승주 (세종대학교 조리외식경영학과)
  • Received : 2014.02.03
  • Accepted : 2014.02.18
  • Published : 2014.06.30

Abstract

In this study, 100 consumers (men, 50; women, 50; age group, 20-50 years) rated their overall preferences for 24 Korean raspberry wines by using a 9-point hedonic scale. The analysis of variance was constructed to evaluate the effect of gender, age, and samples on the preference scores of the wine products. Significant differences were observed in overall preferences for the 24 samples; however, no interactions based on preferences by age and gender groups were noted. Cluster analysis was performed to determine sample clustering based on the frequencies from the preference data. Three clusters were obtained; these three clusters were well separated based on the mean overall preference scores for the samples. Discriminant analysis based on the three clusters also confirmed the same grouping of samples with 100% accuracy.

Keywords

Korean black raspberry wine;preference;classification;discriminant analysis;quality

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