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

Table 3

Correlation matrix for the data considered.

	O1	O2	O3	O4	O5	O6	O7	O8
O1	1	0	−0.58	0.3	0	0	−0.58	−0.58
O2	0	1	0.58	0.3	−0.71	−1	0.58	0.58
O3	−0.58	0.58	1	0.52	0	−0.58	1	1
O4	0.3	0.3	0.52	1	0.43	−0.3	0.52	0.52
O5	0	−0.71	0	0.43	1	0.71	0	0
O6	0	−1	−0.58	−0.3	0.71	1	−0.58	−0.58
O7	−0.58	0.58	1	0.52	0	−0.58	1	1
O8	−0.58	0.58	1	0.52	0	−0.58	1	1