Abstract
This paper is a continuation of our previous work on Pearson's coefficient r and we discuss here the concept of the Spearman correlation coefficient and the Kendall correlation coefficient between Atanassov's intuitionistic fuzzy sets (A-IFSs, for short) to measure the degree of association between the A-IFSs when the assumption that the data distributions are normal is not valid or when data are in the form of ranks. © 2011. The authors-Published by Atlantis Press.
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Szmidt, E., & Kacprzyk, J. (2011). The spearman and kendall rank correlation coefficients between intuitionistic fuzzy sets. In Proceedings of the 7th Conference of the European Society for Fuzzy Logic and Technology, EUSFLAT 2011 and French Days on Fuzzy Logic and Applications, LFA 2011 (Vol. 1, pp. 521–528). Atlantis Press. https://doi.org/10.2991/eusflat.2011.85
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