Table 3.

Performance of classification models.

Models		Stigma in general	Stupid and shallow	Glorified and normalized
Naïve Bayes
	Precision	0.73	0.72	0.72
	Recall	0.73	0.72	0.72
	F-measure	0.73	0.72	0.72
Support vector machine
	Precision	0.83	0.80	0.79
	Recall	0.83	0.80	0.78
	F-measure	0.83	0.79	0.78
Multilayer perceptron neural network
	Precision	0.85	0.84	0.78
	Recall	0.85	0.83	0.77
	F-measure	0.85	0.83	0.77
Random forest
	Precision	0.86	0.84	0.81
	Recall	0.85	0.84	0.81
	F-measure	0.85	0.84	0.81