03 计算条件等价集.txt

本程序的主要功能是实现多类别分类。首先获得任意两类的规则集

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%函数名称：CalTiaoJian()
%参数：  num:条件属性号；classX:条件等价集；x:决策表；
%        ruleNum：规则数；classNum：条件等价集中元素数
% 返回值： clssX：条件等价集；m:等价集个数；classNum:条件等价集中元素数
%函数功能：计算条件等价数
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
function [classX,m,classNum]=CalTiaoJian(num,classX,x,ruleNum,classNum)
      if (num~=0)
      x(1:ruleNum,num)=0;
      end
      xNum=size(x,2);
      x(:,xNum)=0;
      m=0;
      for i=1:ruleNum
      if(x(i,xNum)=0)
      continue;
      else
       m=m+1;
       x(i,xNum)=m;
       n=1;
       classX(m,n)=i;
       end
       for j=i+1:ruleNum
          if(x(j,xNum)=0)
           continue;
        end
        if(x(i,1:xNum-1)==x(j,1:xNum-1))
         x(j,xNum)=m;
         n=n+1;
         classX=(m,n)=j;
        end
     end
        classNum(m)=n;
end