Table 1.

Contingency Table (CT).

		C'
		C'1	C' 2	...	C'K'	C marginal totals
C	C1	ct1,1	ct1,2	...	ct1,K'	n1
	C2	ct2,1	ct2,2	...	ct2,K'	n2
	...	...	...	...	...	...
	CK	ctk,1	ctk,2	...	ctK,K'	nK
C' marginal totals		n'1	n'2	...	n'K'	n

Table used for the computation of cluster-wise measures of clustering agreement. ct_ij is the number of entities that are both in cluster C_i and C'_j.