Table 2.
K-modes Solutions and Silhouette Indices for Three- Through Five-Class Solutions
| Model | Silhouette Index |
|---|---|
| 3 Clustera | 0.159 |
| 4 Cluster | 0.156 |
| 5 Cluster | 0.129 |
Based on the Silhouette Index, the three-cluster solution performed higher than both the 4- and 5-cluster solutions.