Table 2.

Performance Measures (in percentage) for spam detection after applying TF-IDF vectorizer.

Performance measures	Multinomial NB	Bernoulli NB	SVM	Decision tree classifier	Random forest classifier	Logistic regression
Classification accuracy	98.21	96.77	96.59	95.75	97.19	94.92
Precision	96.89	96.38	97.13	90.94	98.42	96.61
Recall	95.52	89.81	88.44	91.39	89.87	82.04
F1-score	96.19	92.74	92.16	91.16	93.56	87.47
Negative recall	99.24	99.44	99.72	97.43	100	99.86