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    請使用永久網址來引用或連結此文件: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/20693

    題名: Correlation of Fuzzy Numbers by α-Cut Method
    作者: Hung, Wen-liang;吳忠武;Wu, Jong-wuu
    貢獻者: 淡江大學統計學系
    關鍵詞: α-cut;correlation coefficient;fuzzy number;interval-valued fuzzy number
    日期: 2002-12-01
    上傳時間: 2009-11-30 12:56:47 (UTC+8)
    出版者: World Scientific Publishing
    摘要: In this paper, we propose a method to calculate the correlation coefficient of fuzzy numbers by means of "α-cut". This value obtained from our formula tells us not only the strength of relationship between the fuzzy numbers, but also whether the fuzzy numbers are positively or negatively related. This approach looks better than previous methods which only evaluate the strength of the relation. Furthermore, we extend the "α-cut" method to interval-valued fuzzy numbers. The value of the correlation coefficient between interval-valued fuzzy numbers lies in the interval [-1, 1], as computed from our formula.
    關聯: International journal of uncertainty, fuzziness and knowledge-based systems 10(6), pp.725-735
    DOI: 10.1142/S0218488502001752
    顯示於類別:[統計學系暨研究所] 期刊論文


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