Journal
FUZZY SETS AND SYSTEMS
Volume 120, Issue 2, Pages 197-212Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0165-0114(99)00146-3
Keywords
cluster analysis; similarity relation; proximity relation; tolerance relation; max-t transitivity; max-t composition
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In this paper, cluster analysis based on fuzzy relations is investigated. Tamura's max-min n-step procedure is extended to all types of max-t compositions. A max-t similarity-relation matrix is obtained by beginning with a proximity-relation matrix based on the proposed max-t n-step procedure. Then a clustering algorithm is created for the max-t similarity-relation matrix. Three critical max-t compositions of max-min, max-prod and max-Delta are compared. The max-Delta composition is recommended as the first choice among them. Several examples give more perspectives for different choices of max-t compositions. Finally, the topic of incomplete data via max-t compositions is discussed. Max-t compositions can be effectively used to treat the t-connected incomplete data. (C) 2001 Elsevier Science B.V. All rights reserved.
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