A | Group | ||||||
No. of clusters | K1 | K2 | K3 | K4 | K5 | K6 | K7 |
K = 3 | 0.74 | 0.70 | 0.79 | – | – | – | – |
K = 4 | 0.85 | 0.75 | 0.87 | 0.74 | – | – | – |
K = 5 | 0.84 | 0.64 | 0.87 | 0.74 | 0.75 | – | – |
K = 7 | 0.83 | 0.73 | 0.82 | 0.76 | 0.67 | 0.80 | 0.77 |
B | Group | ||||||
No. of clusters | K1 | K2 | K3 | K4 | K5 | K6 | K7 |
K = 3 | 0.89 | 0.79 | 0.81 | – | – | – | – |
K = 4 | 0.87 | 0.72 | 0.77 | 0.72 | – | – | – |
K = 5 | 0.86 | 0.72 | 0.76 | 0.68 | 0.78 | – | – |
K = 7 | 0.86 | 0.70 | 0.74 | 0.80 | 0.84 | 0.88 | 0.64 |