Collaborative Sleep Electroencephalogram Data Analysis Based on Improved Empirical Mode Decomposition and Clustering Algorithm

Table 4

Comparison of SSE values of the two algorithms after the first iteration.

Method	SSE
	SC1	SC2	SC3
Original K-means	1103.77	1221.05	1097.54
Improved K-means	1100.03	1197.96	1015.73