Spectral Nonlinearly Embedded Clustering Algorithm

Table 3

Time cost comparison of KM, SC, SEC, KSEC, and ESEC for the in-sample clustering on ten datasets.

Dataset	KM	SC	SEC	KSEC	ESEC
Iris	0.285	0.267	0.296	0.336	0.294
Glass	0.319	0.333	0.304	0.492	0.455
Wine	0.434	0.342	0.260	0.313	0.300
WPBC	0.471	0.475	0.394	0.599	0.319
SpectfHeart	0.662	0.416	0.408	0.744	0.357
USPS	0.316	9.840	10.228	26.031	10.602
Yale	0.602	0.723	1.206	0.982	0.571
COIL20	0.839	74.387	64.485	106.438	83.458
Isolet	0.799	4.479	5.407	5.190	0.893
ORL	0.438	0.919	1.901	1.664	1.149