The performance of some machine learning approaches and a rich context model in student answer prediction

Research and Practice in Technology Enhanced Learning

Table 5 Evaluation results with reading features

Model	FP, %	FN, %	Precision, %	Recall, %	Accuracy, %	F1, %	r
Linear regression	90	1	84	99	83	91	0.20
Logistic regression	88	2	84	98	83	91	0.21
Gradient-boosted tree	49	3	90	97	89	93	0.56
XGBoost	48	2	91	97	89.5	94	0.59
Deep neural network	70	1	87	99	87	89.5	0.45
Bayesian NN	96	0	83	100	83	83	0.11
RCM	51	10	89	89	82	89	0.37