Table 5.

Descriptive and Discriminating Features in the Eight Clusters

Cluster	Size	Internal Similarity	Internal Standard Deviation	External Similarity	External Standard Deviation
0	7	0.386	0.038	0.180	0.030
1	19	0.380	0.046	0.181	0.049
2	8	0.350	0.039	0.176	0.041
3	6	0.290	0.020	0.129	0.034
4	19	0.372	0.060	0.211	0.063
5	9	0.293	0.026	0.157	0.025
6	18	0.304	0.029	0.180	0.034
7	20	0.315	0.069	0.191	0.066