Comparison of Fuzzy Clustering Methods and Their Applications to Geophysics Data

Table 3

Iris cluster centers reported by various algorithms and settings. *Cluster centers obtained from clustering of 9 resultant subclusters using FHV, max=3.

Algo		FCM (3 clust.)				G-K (3 clust.)
Center	1	5.004	3.4141	1.4828	0.25354	5.0147	3.4383	1.4663	0.24451
	2	5.8888	2.761	4.3637	1.3972	6.1385	2.8024	4.534	1.4108
	3	6.7748	3.0523	5.6466	2.0535	6.3928	2.9764	5.2897	2.0084
Algo		Iter. G-K, DPA (max=3)				Iter. G-K, PD (max=3)				Iter. G-K, FHV (max=3)
Center	1	5.0147	3.4383	1.4663	0.24451	5.0147	3.4383	1.4663	0.24451	5.0147	3.4383	1.4663	0.24451
	2	6.1385	2.8024	4.534	1.4108	6.1385	2.8024	4.534	1.4108	6.1385	2.8024	4.534	1.4108
	3	6.3928	2.9764	5.2897	2.0084	6.3928	2.9764	5.2897	2.0084	6.3928	2.9764	5.2897	2.0084
Algo		Iter. G-K, DPA (max=10)				Iter. G-K, PD (max=10)				Iter. G-K, FHV (max=10)*
Center	1	5.0147	3.4383	1.4663	0.24451	5.0147	3.4383	1.4663	0.24451	5.0247	3.3975	1.5854	0.32499
	2	6.1385	2.8024	4.534	1.4108	6.1385	2.8024	4.534	1.4108	5.7601	2.6904	4.2685	1.2956
	3	6.3928	2.9764	5.2897	2.0084	6.3928	2.9764	5.2897	2.0084	6.5041	2.9663	5.1772	1.8804