Table 9.

Distribution of estimation errors and confusion matrices for levels 2 and 3—using four features.

					Real	Low	0.95	0.05	0.00
	Real	Low	0.99	0.01		Mild	0.18	0.76	0.16
		High	0.12	0.88		High	0.00	0.30	0.70
			Low	High			Low	Mild	High
		Estimated					Estimated
	Accuracy: 97.14%				Accuracy: 89.53%