2008
DOI: 10.1590/s0101-74382008000200003
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Rough sets analysis with antisymmetric and intransitive attributes: classification of brazilian soccer clubs

Abstract: This work aims to develop alternative classifications for teams in a Championship. Data from the 2005 Brazilian National Soccer Championship are analyzed. Rough Sets Theory (RST) is employed in this analysis. By evaluating the quality of the approximation in terms of probabilities of concordance and discordance between the classification by the set of decision attributes and by the set of condition attributes of a randomly chosen pair of objects as discernible or indiscernible, the modification of RST employed… Show more

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Cited by 8 publications
(1 citation statement)
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“…If different scales of measurement of a single attribute have different meanings for different objectives, this same attribute may be used in different criteria with different roughness [22,23]. For instance, a complementary criterion can be built by imposing a transitivity requirement on experts' ratings to tie more pairs of alternatives.…”
Section: Methodsmentioning
confidence: 99%
“…If different scales of measurement of a single attribute have different meanings for different objectives, this same attribute may be used in different criteria with different roughness [22,23]. For instance, a complementary criterion can be built by imposing a transitivity requirement on experts' ratings to tie more pairs of alternatives.…”
Section: Methodsmentioning
confidence: 99%