New Topological Approaches to Rough Sets via Subset Neighborhoods

Table 3

Algorithm for j-subset accuracy measures.

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Input: a binary relation on a nonempty finite set .

Output: an accuracy measure of each nonempty subset of .

(1)  Input the binary relation on a nonempty finite set ;

(2)  for for eachdo

(3)   Compute -neighborhoods induced from ;

(4)   Generate a topology using Theorem 2

(5)   ifthen

(6)    Put ;

(7)     Compute ;

(8)     Put ;

(9)     Calculate .

(10)   else

(11)    Compute ;

(12)    ifthen

(13)     .

(14)    else

(15)     Put ;

(16)     Compute ;

(17)     Put ;

(18)     Calculate .

(19)    end

(20)   end

(21)  end

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