Table 3.

Computational results for SE2: two-mode blockmodeling based on structural equivalence

Network matrix	N1, N2	K1, K2	Image matrix	Penalty matrix	Optimal objective value	CPU Time
Southern women event participation	18, 14	2, 3	110	111	63	23.39
			011	111
Southern women event participation	18, 14	2, 3	100	111	53	9.50
			001	111
Southern women event participation	18, 14	2, 3	110	111	52	2.39
			010	111
Southern women event participation	18, 14	3, 3	110	111	40	78.20
			011	111
			010	111
Southern women event participation	18, 14	3, 3	110	1 1 100	63	1.61
			011	100 1 1
			010	100 1 100
Supreme Court voting data	26, 9	5, 3	011	111	22	4.27
			111	111
			110	111
			110	111
			110	111
Supreme Court voting data	26, 9	5, 4	0111	1111	16	8.39
			1111	1111
			1110	1111
			1010	1111
			1100	1111
Supreme Court voting data	26, 9	7, 4	0111	1111	11	111.55
			0011	1111
			1111	1111
			1001	1111
			1110	1111
			1010	1111
			1100	1111