Table 4. Initial parameters used for deep learning classifiers.

Parameter	CNN	LSTM	GRU	BERT
Dropout Rate	0.5	0.5	0.5	0.5
Optimizer	Adam	RMS Prop	RMS Prop	Adam
Activation Function	Relu	Relu	Relu	Relu
No. of Features	1,000	1,000	1,000	1,000
No. of Units	N/A	128	100	100
Filter Size	4	N/A	N/A	N/A