Table 8.

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

Train	Test	Baseline Methods						RF		XGB		LGBM
		EALR	MULTI	DEJIT	LT	AGE	CCUM	FI	MO	FI	MO	FI	MO
BUG	COL	0.497	0.716	0.661	0.641	0.702	0.836	0.737	0.851	0.526	0.779	0.577	0.730
	JDT	0.281	0.773	0.698	0.582	0.490	0.761	0.691	0.782	0.422	0.691	0.442	0.712
	PLA	0.429	0.772	0.768	0.494	0.427	0.774	0.684	0.793	0.489	0.721	0.423	0.675
	MOZ	0.219	0.763	0.605	0.367	0.240	0.605	0.728	0.775	0.515	0.681	0.393	0.641
	POS	0.349	0.765	0.726	0.533	0.432	0.726	0.761	0.786	0.399	0.549	0.393	0.731
COL	BUG	0.336	0.821	0.790	0.435	0.432	0.790	0.535	0.823	0.438	0.657	0.376	0.684
	JDT	0.113	0.828	0.760	0.582	0.490	0.761	0.688	0.836	0.502	0.731	0.539	0.772
	PLA	0.239	0.824	0.770	0.494	0.427	0.774	0.681	0.832	0.540	0.749	0.478	0.641
	MOZ	0.148	0.830	0.591	0.367	0.240	0.605	0.800	0.851	0.640	0.819	0.436	0.749
	POS	0.167	0.825	0.726	0.533	0.432	0.726	0.672	0.836	0.589	0.77	0.481	0.725
JDT	BUG	0.376	0.757	0.789	0.435	0.432	0.790	0.561	0.822	0.428	0.584	0.469	0.673
	COL	0.378	0.721	0.833	0.641	0.702	0.836	0.779	0.853	0.503	0.775	0.594	0.761
	PLA	0.277	0.733	0.775	0.494	0.427	0.774	0.716	0.796	0.524	0.725	0.556	0.754
	MOZ	0.168	0.740	0.605	0.367	0.240	0.605	0.815	0.817	0.352	0.755	0.637	0.796
	POS	0.299	0.749	0.727	0.533	0.432	0.726	0.754	0.763	0.332	0.659	0.639	0.804
PLA	BUG	0.367	0.768	0.787	0.435	0.432	0.790	0.532	0.792	0.428	0.641	0.351	0.715
	COL	0.363	0.763	0.760	0.641	0.702	0.836	0.778	0.863	0.479	0.636	0.514	0.784
	JDT	0.152	0.772	0.760	0.582	0.490	0.761	0.719	0.852	0.422	0.672	0.490	0.737
	MOZ	0.168	0.780	0.605	0.367	0.240	0.605	0.811	0.814	0.425	0.709	0.521	0.794
	POS	0.230	0.780	0.719	0.533	0.432	0.726	0.515	0.812	0.432	0.571	0.312	0.685
MOZ	BUG	0.350	0.592	0.790	0.435	0.432	0.790	0.534	0.833	0.522	0.644	0.473	0.694
	COL	0.247	0.572	0.836	0.641	0.702	0.836	0.742	0.852	0.528	0.739	0.499	0.745
	JDT	0.057	0.587	0.696	0.582	0.490	0.761	0.704	0.786	0.486	0.646	0.512	0.785
	PLA	0.173	0.580	0.770	0.494	0.427	0.774	0.69	0.783	0.502	0.724	0.515	0.750
	POS	0.135	0.584	0.726	0.533	0.432	0.726	0.722	0.767	0.467	0.723	0.474	0.794
POS	BUG	0.351	0.711	0.782	0.435	0.432	0.790	0.556	0.822	0.423	0.687	0.385	0.711
	COL	0.439	0.690	0.828	0.641	0.702	0.836	0.748	0.865	0.578	0.703	0.451	0.701
	JDT	0.159	0.703	0.762	0.582	0.490	0.761	0.699	0.786	0.466	0.742	0.472	0.719
	PLA	0.261	0.700	0.774	0.494	0.427	0.774	0.677	0.781	0.562	0.752	0.508	0.745
	MOZ	0.159	0.706	0.598	0.367	0.240	0.605	0.793	0.815	0.597	0.780	0.565	0.790
	MEAN	0.263	0.73	0.734	0.509	0.454	0.749	0.694	0.810	0.484	0.700	0.483	0.733