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minstrel

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ÔÚTest(1,: )=Train(i,: ); %Óï¾ä³ö³ö´íÁË¡£


ÔÚÕâ¸öÑ­»·Ö®Ç°£¬ÔÚdebugģʽÏ£¬ÎҲ鿴ÁËTrainÊý×éµÄ´óС
size(Train)
ans =
      100000           3
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function Leaveoneout()

nr = 100000;
ni = 1682;
nu = 943;
rmse = 0;

Train = load('u.data');

Train(:,4)=[];
Trainuimatrix = zeros(nu,ni);

for i = 1:nr
    Trainuimatrix( Train(i, 1), Train(i, 2) ) = Train(i, 3);
end

Dresult = zeros(nr, 5);
Dresult(:, 1) = Train(:, 3);

for i = 1:1:nr
    Test(1,: )=Train(i,: ); %´Ë´¦³ö´íÁË,nrֵΪ100000,ÔËÐе½10000µÄʱºò»¹Ã»Óгö´í
    Train(i,: )=[];
    [rating] = Userbased(Train, Test, Trainuimatrix, nr, nu, ni);

    Dresult(i, 2) = rating;
end

[ Last edited by minstrel on 2010-5-10 at 22:41 ]
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minstrel

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nono2009(½ð±Ò+1):лл˵Ã÷¡£ 2010-07-23 20:54:39
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    Test(1,: )=Train(i,: );
    Train(i,: )=[];
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