Classification of BCI Users Based on Cognition

Table 8

Classification results of decision tree.

	Observed	Predicted
		High risk	Low risk	Percent correct
CHAID algorithm	High risk	59	0	100.0%
	Low risk	7	4	36.4%
	Overall percent	94.3%	5.7%	90.0%
CART algorithm	High risk	59	0	100.0%
	Low risk	0	11	100.0%
	Overall percent	84.3%	15.7%	100.0%
QUEST algorithm	High risk	59	0	100.0%
	Low risk	9	2	18.2%
	Overall percent	97.1%	2.9%	87.1%