Table 4 Summary of results from clustering analysis methods applied
Clustering Approach | Linkage Type | Number of Clustersa | Cluster Sample Size (Smallest in Bold) |
|---|---|---|---|
Hierarchical | Average | 3 | 18,376; 3; 1 |
Average | 4 | 18,376; 2; 1; 1 | |
Average | 5 | 18,312; 64; 2; 1; 1 | |
Hierarchical | Centroid | 3 | 18,365; 14; 1 |
Centroid | 4 | 18,351; 14; 14; 1 | |
Centroid | 5 | 18,351; 13; 14; 1; 1 | |
Hierarchical | Single-Linkage | 3 | 18,378; 1; 1 |
Single-Linkage | 4 | 18,377; 1; 1; 1 | |
Single-Linkage | 5 | 18,376; 1; 1; 1; 1 | |
Hierarchical | Complete-Linkage | 3 | 18,367; 7; 6 |
Complete-Linkage | 4 | 18,118; 249; 7; 6 | |
Complete-Linkage | 5 | 18,118; 249; 6; 6; 1 | |
Hierarchical | Flexible-Beta | 3 | 13,416; 3,732; 1232 |
Flexible-Beta | 4 | 13,416; 3,732; 1059; 173 | |
Flexible-Beta | 5 | 8,919; 4,497; 3,732; 1,059; 173 | |
Hierarchical | McQuitty’s Similarity | 3 | 18,373; 6; 1 |
McQuitty’s Similarity | 4 | 18,367; 6; 6; 1 | |
McQuitty’s Similarity | 4 | 18,205; 162; 6; 6; 1 | |
Hierarchical | Ward’s Method | 3 | 15,718; 2,315; 347 |
Ward’s Method | 4 | 15,718; 2,315; 284; 63 | |
Ward’s Method | 5 | 15,718; 2,315; 239; 63; 45 | |
Non-hierarchical | N/A | 3 | 336; 17,909; 135 |
N/A | 4 | 113; 16,624; 1,554; 89 | |
N/A | 5 | 116; 594; 16,162; 48; 1,460 |