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Information Sciences Letters

Information Sciences Letters

Abstract

In this article, new definitions for a correlation coefficient using the rough sets technique are introduced. These definitions are more general than statistic definitions, which give the capability to handle all information system tables (qualitative, quantity, ordered, and unordered data). By using these definitions, dealing with all unordered data tables can be done, which can’t deal with it by using a statistical definition, these definitions will be discussed in detail through some examples.

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