Novel Approaches to Identify Clusters Using Independent Components Analysis with Application

Table 7

Validity indices for estimated mixing coefficients and ranked clustering.

Clustering approach			Validity index (ranks)
			Calinski–Harabasz	Davies–Bouldin
Proposed techniques	Estimated mixing coefficients		44.1597 (1)	4.0552 (1)
	Ranked	JADE	15.6017 (2)	4.1257 (2)
		FastICA	12 (3)	4.2017 (3)
		SOBI	11.5935 (4)	4.2707 (4)
Existing techniques	Average linkage method		10.2368 (6)	5.3113 (6)
	Ward’s method		14.9963 (5)	5.2687 (5)