Table 13. Comparative results for Waveform database (version 1).

Algorithms	Absolute error	Relative error	time(s)
MulticlusterKDE	1169	23.4%	3.89
K-means	2491	49.8%	0.02
PdfCluster	–	–	–
K-medoids	2341	46.8%	7.9
CLARA	2379	47.6%	0.013
DBSCAN	3212	64.2%	0.687