Table 12.

Performance of signal quality classification.

Percent data to train	Percent data to test	Estimation results for Reference, clean		Estimation results for Reference, noisy		Sensitivity	Specificity
		Clean	Noisy	Clean	Noisy
10%	90%	2421	166	104	146	0.96	0.47
20%	80%	2143	154	75	149	0.97	0.49
30%	70%	1869	143	59	136	0.97	0.49
40%	60%	1601	125	44	122	0.97	0.49
50%	50%	1332	104	36	104	0.97	0.50
60%	40%	1064	84	28	84	0.97	0.50
70%	30%	799	63	19	64	0.97	0.50
80%	20%	530	44	12	45	0.98	0.50
90%	10%	265	21	6	22	0.98	0.50