Table 7.

Description experiments DB1.

EI	Tree	Dataset	Root/Secondary node	% instances correctly Approved	% instances correctly Reproved	F1 Score	F1 Score Naive Bayes
EI 1	1	Primary	Language/none	100%	87.1%	0.995	0.918
	2	Secondary	Language/Biology	99%	81.2%	0.954	0.871
	3	Middle	Maths/none	99.8%	60.3%	0.975	0.874
EI 2	4	Primary	Language/Maths	95.5%	88.4%	0.986	0.908
	5	Secondary	Maths/Arts	95.2%	96.1%	0.943	0.861
	6	Middle	Physics/Biology	97.1%	80.5%	0.969	0.857
EI 3	7	Primary	Language/Maths	97.4%	86.5%	0.961	0.842
	8	Secondary	Language/Biology	94.3%	90.7%	0.954	0.871
	9	Middle	Maths/Language	97.3%	80%	0.963	0.915
EI 4	10	Primary	Language/Maths	99.4%	82.2%	0.979	0.888
	11	Secondary	Language/Maths	95.6%	90.1%	0.957	0.900
	12	Middle	Natural sciences/Maths	97.3%	86.7%	0.962	0.931