Table 8.

Accuracy of the classification models.

Type of model	Parameters	Level	Healthiness Level
			T0	T1		T2		T3
Linear	ABD	Correctly classified tree (%)	100	100		60		60
		Misclassified as	—	—		4 T1		4 T2
		Average accuracy (%)	80
		Healthiness level	Healthy	Unhealthy
		Correctly classified tree (%)	100	73.33
		Average accuracy (%)	86.67
		Level	T0	T1	T2			T3
Two factorial	BDE	Correctly classified tree (%)	90	70	70			100
		Misclassified as	1 T2	1 T0, 1 T2, 1 T3	2 T1, 1 T3			—
		Average accuracy (%)	82.5
		Healthiness level	Healthy	Unhealthy
		Correctly classified tree (%)	90	80
		Average accuracy (%)	85
Quadratic	ABCD	Level	T0	T1	T2		T3
		Correctly classified tree (%)	100	40	30		70
		Misclassified as	—	3 T2, 3 T3	4 T1, 3 T3		1 T1, 2 T2
		Average accuracy (%)	60
		Healthiness level	Healthy	Unhealthy
		Correctly classified tree (%)	100	46.67
		Average accuracy (%)	73.33
Cubic	ACD	Level	T0	T1		T2		T3
		Correctly classified tree (%)	100	50		50		50
		Misclassified as	—	5 T2		3 T1, 2 T3		2 T1, 3 T2
		Average accuracy (%)	62.50
		Healthiness level	Healthy	Unhealthy
		Correctly classified tree (%)	100	50
		Average accuracy (%)	75
Quartic	AC	Level	T0	T1	T2			T3
		Correctly classified tree (%)	90	50	40			70
		Misclassified as	1 T3	4 T2, 1 T3	4 T1, 2 T3			3 T2
		Average accuracy (%)	62.50
		Healthiness level	Healthy	Unhealthy
		Correctly classified tree (%)	90	53.33
		Average accuracy (%)	71.67
Fifth	CE	Level	T0	T1	T2		T3
		Correctly classified tree (%)	50	0	10		60
		Misclassified as	5 T3	9 T0, 1 T3	8 T0, 1 T3		4 T0
		Average accuracy (%)	30
		Healthiness level	Healthy	Unhealthy
		Correctly classified tree (%)	50	23.33
		Average accuracy (%)	36.67
Single	A	Level	T0	T1	T2		T3
		Correctly classified tree (%)	100	90	50		50
		Misclassified as	—	1 T0	5 T1		5 T2
		Average accuracy (%)	72.5
		Healthiness level	Healthy	Unhealthy
		Correctly classified tree (%)	100	63.33
		Average accuracy (%)	81.67