Smart Learning Environments

Table 8 Confusion matrix of the RF 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	60%	3.8%	1.2%	0.6%	38
	32.5–55	26.7%	65.4%	9.5%	0.8%	154
	55–77.5	10.0%	30.8%	71.2%	13.6%	1016
	≥ 77.5	3.3%	0.0%	18.1%	84.9%	646
	Sum	30	26	1320	478	1854

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