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The Accuracy Measure for Rough Sets Based on Rank Statistics

WU Gen-xiu,LIU Pei-hong,LUO Bing-hui,XIE Jun(College of Mathematics and Informatics,Jiangxi Normal University,Nanchang Jiangxi 330022,China)  
An accuracy measure for rough sets based on rank statistics has been proposed,which not only take into consideration the information of the size of the knowledge data value of particles but also the size of the universe.Meanwhile some properties are given.It is more reasonable and effective to measure,which are illustrated by examples.
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