CF-matlab-.zip_CF matlab_协同过滤_协同过滤 matlab_商品 推荐_商品推荐

udata=textread('u.data'); [m,n]=size(udata); udata_matrix=zeros(943,1682); for i=1:m a=udata(i,1); b=udata(i,2); c=udata(i,3); udata_matrix(a,b)=c; end%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% utrain=textread('u1.base'); [m,n]=size(utrain); utrain_matrix=zeros(943,1682); for i=1:m a=utrain(i,1); b=utrain(i,2); c=utrain(i,3); utrain_matrix(a,b)=c; end%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% utest=textread('u1.test'); [m,n]=size(utest); utest_matrix=zeros(943,1682); for i=1:m a=utest(i,1); b=utest(i,2); c=utest(i,3); utest_matrix(a,b)=c; end%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% train=utrain_matrix test=utest_matrix w=zeros(943,1682); w1=w; w1(find(train~=0))=1 w2=w; w2(find(test~=0))=1