Journal of The Japanese Society for Quality Control
Online ISSN : 2432-1044
Print ISSN : 0386-8230
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Volume 16, Issue 2
Displaying 1-14 of 14 articles from this issue
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Lecture
Contributed Paper
  • A Graph Theoretic Approach for Analyzing Quality Tables
    Azuma TAGUCHI, Hirohito KIKUCHI, Kazuo SEKI, Tadashi YOSHIZAWA
    Article type: Contributed Paper
    1986 Volume 16 Issue 2 Pages 7-13
    Published: April 15, 1986
    Released on J-STAGE: March 01, 2019
    DOIhttps://doi.org/10.20684/quality.16.2_7
    JOURNAL RESTRICTED ACCESS
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    The relationship among quality characteristics of a product (or a service facility) and quality requirements of its user is usually represented in a matrix form, called "Quality Table", which is used for the quality design and the improvement of the quality. In this paper, we propose a graph theoretic approach to the structural analysis of the quality table. In this approach, a quality table is decomposed into some sub-tables so that quality requirements as well as quality characteristics are classified into groups of "similar" ones, and among which a partial order is defined. This approach is quite "qualitative" as opposed to the familiar methods such as the statistical methods of quantification of categorical data. The effectiveness of the proposed method is tested against a quality table of a practical size.
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