Table 14.

Classification performance based on features in specified domain.

Rank	Domain (# features)	Mean of overall score	Standard deviation
1	Frequency spectrum of state (308)	0.85	0.021
2	Entropy (16)	0.82	0.028
3	Energy (47)	0.78	0.020
4	Cepstrum (65)	0.75	0.027
5	High-order statistics (16)	0.73	0.029
6	Frequency spectrum of records (27)	0.71	0.025
7	Time interval (20)	0.70	0.025
8	Cyclostationarity (4)	0.65	0.042
9	State amplitude (12)	0.61	0.025