Table 4. Confusion matrix in the simulated online experiment.

Input	Output of the simulated online test
	8 Hz	9 Hz	10 Hz	11 Hz	12 Hz	13 Hz	14 Hz	15 Hz
8 Hz	89.33	2.00	0.67	0.67	4.00	2.00	0.67	0.67
9 Hz	1.33	91.33	2.67	0.67	0.00	2.67	0.67	0.67
10 Hz	1.33	0.00	97.33	0.00	0.67	0.00	0.67	0.00
11 Hz	2.00	0.00	2.00	93.33	1.33	0.00	1.33	0.00
12 Hz	0.00	0.67	0.00	1.33	98.00	0.00	0.00	0.00
13 Hz	8.00	1.33	0.00	0.00	0.00	90.67	0.00	0.00
14 Hz	3.33	1.33	1.33	0.67	4.00	6.67	82.00	0.67
15 Hz	4.00	1.33	0.00	0.00	2.00	1.33	5.33	86.00