Table 2.

Confusion Matrix of Automatic Classification Based on Allred Score with Expert-2. The best F-score value is presented in bold.

	[0–1]	[2–3]	[4–6]	[7–8]	F-Score
[0–1]	47	7	1	0	0.606
[2–3]	47	37	3	0	0.396
[4–6]	6	53	86	37	0.610
[7–8]	0	3	10	63	0.716