Table 7.

WCMS vs. State-of-the-Art Methods in Time-Wise Cross-Validation Scenario (Popt).

Project	Baseline Methods						RF		XGB		LGBM
	EALR	MULTI	DEJIT	LT	AGE	CCUM	FI	MO	FI	MO	FI	MO
BUG	0.594	0.838	0.709	0.721	0.661	0.909	0.771	0.988	0.756	0.841	0.737	0.986
COL	0.619	0.885	0.825	0.732	0.786	0.907	0.824	0.929	0.785	0.863	0.727	0.975
JDT	0.590	0.828	0.782	0.709	0.685	0.837	0.842	0.923	0.778	0.865	0.691	0.861
PLA	0.583	0.859	0.835	0.717	0.709	0.868	0.860	0.931	0.772	0.869	0.695	0.841
MOZ	0.498	0.786	0.737	0.651	0.638	0.802	0.866	0.926	0.796	0.882	0.675	0.949
POS	0.600	0.837	0.768	0.742	0.731	0.866	0.828	0.977	0.809	0.888	0.688	0.919
MEAN	0.581	0.839	0.776	0.712	0.702	0.865	0.832	0.946	0.783	0.868	0.702	0.922