Boosting Accuracy of Classical Machine Learning Antispam Classifiers in Real Scenarios by Applying Rough Set Theory

Table 1

Example of the reduced dense dataset (generated from the initial e-mail corpus) required for the computation of RS rules.

Tax	Course	Student	Shipping	Price	Dear	Cialis	Levitra	Class
	0	0	0	1	1	0	1	0	1
	0	1	1	0	0	0	0	0	0
	1	1	1	0	0	1	0	0	0
	0	0	0	1	0	0	0	1	1
	0	0	0	0	0	0	1	1	1
	1	1	0	1	0	1	0	0	0