rough setbased attribute reduction
英国某大学基于粗糙集上的属性约见base=ones(row);r=eval(['ssr'num2str(column)]);attrinu=column-1;forj=attrinu:-1:1sig=[];forl=1:attrinur2=eval(['ssr'num2str(l)]);r1=min(r2,base);importance=0;temp=[];incluse=[];fori=1:rowtemp=min([r1(i,