How to group variables in a same cluster ?
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Pradya Panyainkaew
le 8 Jan 2018
Commenté : Pradya Panyainkaew
le 8 Jan 2018
if I have
A=[1 2; 2 4; 3 4; 4 1; 5 1; 6 4; 7 4; 8 2; 9 1; 10 1]
where 1st column represents customer ID and 2nd column shows Clustering Number. How can I group customer ID into a same cluster such as
cluster1=[4 5 9 10], cluster2=[1,8], cluster3=[ ], cluster4=[2,3,6,7]
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ANKUR KUMAR
le 8 Jan 2018
Modifié(e) : ANKUR KUMAR
le 8 Jan 2018
A=[1 2; 2 4; 3 4; 4 1; 5 1; 6 4; 7 4; 8 2; 9 1; 10 1]
id=unique(A(:,2))
for ii=1:length(id)
iid{ii}=A(find(A(:,2)==id(ii)),1)
end
you can see the outputs just by entering iid{1}
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Guillaume
le 8 Jan 2018
Assuming your clustering numbers are all strictly positive integers:
accumarray(A(:, 2), A(:, 1), [], @(custs) {custs})
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