Fuzzy Covering-Based Three-Way Clustering

Table 2

The comparative validity results (m = 1.03).

	Iris			Seeds
	NMI	ACC	RI	NMI	ACC	RI
FCM	0.7419	0.8867	0.8737	0.6949	0.8952	0.8744
RCM	0.7328	0.8400	0.8891	0.6670	0.8857	0.8666
RFCM	0.7419	0.8867	0.8737	0.6670	0.8857	0.8666
kNN-RCM	0.7777	0.9000	0.8859	0.6743	0.8905	0.8693
kNN-RFCM	0.7419	0.8867	0.8737	0.6743	0.8905	0.8693
FFCM	0.8226	0.9333	0.9195	0.6748	0.8952	0.8713
FRCM	0.7767	0.9133	0.9124	0.6748	0.8952	0.8713
FRFCM	0.8112	0.9267	0.9160	0.6777	0.8952	0.8742
kNN-FRCM	0.7919	0.9267	0.9124	0.6748	0.8952	0.8713
kNN-FRFCM	0.8226	0.9333	0.9195	0.6852	0.9000	0.8770