Il faut maximiser l'inertie inter-cluster et minimiser l'inertie intra-cluster
- G(6; 5.5) ; Itotale = 23.5
- G1(3; 5.5) G2(9; 5.5) d(G1, G2) = 6
- d(G, G1) = d(G, G2) = 3 ; IInter (C1, C2) = 9
- G3(6; 2) G4(6; 9) d(G3, G4) = 7
- d(G, G3) = d(G, G4) = 3.5 ; IInter (C3, C4) = 12.25
- IInter (C1, C2) < IInter (C3, C4)
- IC1 = 14.5
- IC2 = 14.5
- IC3 = 11.25
- IC4 = 11.25