[Retracted] An Automated Approach for the Prediction of the Severity Level of Bug Reports Using GPT-2

Table 9

Performance evaluation of XGBoost.

Class	XGBoost
	Precision	Recall	F1-score
Blocker	0.85	0.74	0.79
Critical	0.43	0.69	0.53
Enhancement	0.93	0.97	0.95
Major	0.57	0.23	0.33
Minor	0.56	0.45	0.50
Normal	0.57	0.79	0.66
Trivial	0.74	0.56	0.64