Smart Learning Environments

Table 12 Confusion matrix of the NB algorithm

From: Educational data mining: prediction of students' academic performance using machine learning algorithms

		Predicted
		< 32.5	32.5–55	55–77.5	≥ 77.5	Sum
Actual	< 32.5	40.0%	9.5%	0.9%	0.0%	38
	32.5–55	18.2%	42.9%	9.4%	1.2%	154
	55–77.5	18.2%	42.9%	70.4%	19.3%	1016
	≥ 77.5	23.6%	4.8%	19.2%	79.5%	646
	Sum	55	42	1270	487	1854

Back to article page