Table 9.

WCMS vs. State-of-the-Art Methods Across Project Scenarios (Popt).

Train	Test	Baseline Methods						RF		XGB		LGBM
		EALR	MULTI	DEJIT	LT	AGE	CCUM	FI	MO	FI	MO	FI	MO
BUG	COL	0.701	0.894	0.737	0.858	0.868	0.948	0.903	0.956	0.774	0.943	0.754	0.805
	JDT	0.592	0.923	0.823	0.815	0.769	0.897	0.888	0.933	0.678	0.935	0.687	0.920
	PLA	0.695	0.922	0.884	0.770	0.740	0.899	0.883	0.928	0.739	0.893	0.714	0.804
	MOZ	0.563	0.918	0.813	0.660	0.622	0.813	0.897	0.935	0.713	0.935	0.607	0.754
	POS	0.603	0.918	0.907	0.810	0.762	0.908	0.925	0.929	0.682	0.828	0.636	0.805
COL	BUG	0.633	0.945	0.932	0.726	0.758	0.932	0.871	0.962	0.749	0.962	0.714	0.845
	JDT	0.418	0.945	0.882	0.815	0.769	0.897	0.877	0.951	0.741	0.882	0.753	0.905
	PLA	0.506	0.944	0.878	0.770	0.740	0.899	0.881	0.963	0.736	0.926	0.712	0.838
	MOZ	0.476	0.946	0.768	0.660	0.622	0.813	0.926	0.959	0.777	0.887	0.720	0.903
	POS	0.426	0.943	0.876	0.810	0.762	0.908	0.881	0.947	0.774	0.901	0.681	0.888
JDT	BUG	0.674	0.895	0.925	0.726	0.758	0.932	0.862	0.944	0.677	0.867	0.812	0.972
	COL	0.564	0.876	0.937	0.858	0.868	0.948	0.927	0.956	0.711	0.959	0.766	0.860
	PLA	0.555	0.883	0.899	0.770	0.740	0.899	0.903	0.904	0.745	0.921	0.802	0.957
	MOZ	0.502	0.885	0.814	0.660	0.622	0.813	0.925	0.927	0.658	0.879	0.800	0.941
	POS	0.514	0.891	0.906	0.810	0.762	0.908	0.93	0.930	0.696	0.900	0.83	0.984
PLA	BUG	0.685	0.895	0.929	0.726	0.758	0.932	0.892	0.952	0.777	0.941	0.764	0.986
	COL	0.564	0.889	0.857	0.858	0.868	0.948	0.931	0.955	0.700	0.866	0.791	0.963
	JDT	0.458	0.897	0.896	0.815	0.769	0.897	0.908	0.909	0.720	0.862	0.789	0.943
	MOZ	0.498	0.899	0.814	0.660	0.622	0.813	0.936	0.937	0.688	0.893	0.717	0.903
	POS	0.478	0.899	0.898	0.810	0.762	0.908	0.879	0.913	0.691	0.895	0.755	0.933
MOZ	BUG	0.619	0.806	0.932	0.726	0.758	0.932	0.885	0.939	0.789	0.963	0.791	0.879
	COL	0.482	0.793	0.948	0.858	0.868	0.948	0.905	0.963	0.708	0.939	0.682	0.838
	JDT	0.367	0.803	0.807	0.815	0.769	0.897	0.892	0.906	0.713	0.875	0.743	0.895
	PLA	0.414	0.799	0.889	0.770	0.740	0.899	0.895	0.911	0.734	0.960	0.757	0.840
	POS	0.382	0.800	0.908	0.810	0.762	0.908	0.919	0.925	0.759	0.953	0.806	0.935
POS	BUG	0.629	0.902	0.913	0.726	0.758	0.932	0.847	0.942	0.727	0.964	0.718	0.846
	COL	0.617	0.884	0.929	0.858	0.868	0.948	0.905	0.965	0.742	0.948	0.700	0.866
	JDT	0.459	0.897	0.888	0.815	0.769	0.897	0.889	0.912	0.760	0.957	0.740	0.869
	PLA	0.544	0.894	0.897	0.770	0.740	0.813	0.885	0.899	0.767	0.895	0.760	0.866
	MOZ	0.497	0.898	0.785	0.660	0.753	0.899	0.916	0.923	0.762	0.892	0.753	0.894
	MEAN	0.537	0.889	0.876	0.773	0.758	0.900	0.899	0.935	0.730	0.914	0.742	0.888