COIN: Correlation Index-Based Similarity Measure for Clustering Categorical Data

Table 8

Comparative analysis of the accuracies of MGR and COIN on nine datasets without specifying the number of clusters.

S. no.	Datasets	No. of clusters			Accuracy		CPUTIME in seconds
		Actual clusters	MGR	COIN	MGR	COIN	COIN
2	Zoo	7	8	20	0.931	0.931	0.20
1	Hayes-Roth	3	6	30	0.538	0.681	0.20
3	Votes	2	3	154	0.848	0.988	7.06
4	Balance Scale	3	9	50	0.646	0.870	0.87
5	Breast Cancer	2	8	180	0.930	0.979	5.42
6	Car Evaluation	4	7	5	0.700	0.700	12.63
7	Chess	2	7	689	0.617	0.948	55.3
8	Mushroom	2	7	11	0.865	0.880	1100
9	Nursery	5	7	5	0.530	0.657	881