Table 6.

Confusion matrix of the CHAID Model using training and testing datasets for the classification of EEG features of the sleep stages W, N1, N2, N-3, and R.

CHAID		Prediction
		N1	N2	N3	REM	Wake	N1	N2	N3	REM	Wake
Actual	N1	2109	2946	270	1817	2381	541	741	54	451	603
	N2	1392	21,380	4679	3175	964	338	5305	1121	834	240
	N3	80	5835	10,913	147	160	16	1418	2659	31	31
	REM	1366	4547	422	6210	612	354	1152	103	1560	139
	Wake	1970	1697	199	479	11,101	535	407	66	124	2777