An Empirical Study of Software Metrics Diversity for Cross-Project Defect Prediction

Table 5

Comparison of the CPDP performance in terms of F-measure.

Metrics	Target
	Eclipse	Equinox	Lucene	Mylyn	Pde
Semantic	0.330 (+62.62%)	0.385 (+55.93%)	0.450 (+0.22%)	0.442 (+12.06%)	0.454 (+4.01%)
PS	0.415 (+29.22%)	0.528 (+13.63%)	0.382 (+18.06%)	0.379 (+30.61%)	0.380 (+24.21%)
OS	0.448 (+19.73%)	0.566 (+6.17%)	0.408 (+10.54%)	0.370 (+33.78%)	0.413 (+14.29%)
SS	0.511 (+4.93%)	0.584 (+2.83%)	0.451 (—)	0.479 (+3.34%)	0.453 (+4.19%)
OSS	0.536	0.601	0.451	0.495	0.472
POSS	0.489 (+9.58%)	0.583 (+3.07%)	0.424 (+6.37%)	0.472 (+4.87%)	0.436 (+8.26%)

Note: The percentages within the parentheses are the improvement rates of CPDP-OSS, and the boldfaced numbers represent the best results in the same context.