Research on Cross-Company Defect Prediction Method to Improve Software Security

Table 2

Defect datasets.

Company	Dataset	Feature num	Samples num	Defective samples num	Nondefective samples num	Defect rate (%)	Imbalance ratio
NASA	CM1	37	327	42	285	12.8	6
	MW1	37	253	27	226	10.7	8
	PC1	37	705	61	644	8.7	10
	PC3	37	1077	134	943	12.4	7
	PC4	37	1287	177	1110	13.8	6
PROMISE	Ant-1.7	20	745	166	579	22.3	3
	Camel-1.6	20	965	188	777	19.5	4
	Ivy-2.0	20	352	40	312	11.4	7
	Jedit-4.3	20	492	11	481	2.2	43
	Synapse-1.2	20	256	86	170	33.6	1
	Velocity-1.6	20	229	78	151	34.1	1
	Xalan-2.4	20	723	110	613	15.2	5