Smart Learning Environments

Table 5 Average scores of the models in terms of Accuracy and Kappa

From: Developing an early-warning system for spotting at-risk students by using eBook interaction logs

	Raw Data - RF		Transformed Data - J48		Categorical Data - NB
Week	Accuracy	Kappa	Accuracy	Kappa	Accuracy	Kappa
W1	0.735	0.466	0.674	0.345	0.725	0.446
W2	0.737	0.475	0.705	0.412	0.720	0.443
W3	0.790	0.580	0.718	0.435	0.775	0.548
W6	0.803	0.606	0.778	0.554	0.809	0.617
W8	0.801	0.600	0.711	0.416	0.796	0.590
W9	0.798	0.596	0.739	0.478	0.819	0.637
W14	0.826	0.651	0.818	0.635	0.800	0.598
W15	0.840	0.679	0.803	0.605	0.826	0.651
W16	0.777	0.551	0.697	0.394	0.718	0.438

Note: Accuracy and Kappa values of the best-performing model for each week are in bold

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