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Table 9 Confusion matrix of the NN 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 64% 9.7% 1.2% 0.6% 38
32.5–55 24% 61.3% 9.6% 1.0% 154
55–77.5 12.0% 25.8% 71.8% 14.9% 1016
≥ 77.5 0.0% 3.2% 17.4% 83.5% 646
Sum 25 31 1296 502 1854