Table 6.

Missing variables, extra variables, and runtimes (ms) of each method.

Network	Variables	MMPC			HITON-PC			PCMB			${\mathit{S}}^2$ TMB			Proposal
		Missing	Extra	Runtime	Missing	Extra	Runtime	Missing	Extra	Runtime	Missing	Extra	Runtime	Missing	Extra	Runtime
ASIA	8	1.25	0.00	251	1.75	0.63	117	1.75	0.63	163	0.25	0.50	888	0.00	3.50	13
SACHS	11	1.91	0.00	1062	2.64	0.36	248	2.00	0.00	610	0.00	0.00	4842	0.00	2.55	12
CHILD	20	1.75	0.05	6756	2.35	0.95	380	2.00	0.25	1191	0.05	0.05	6669	0.00	11.80	16
WATER	32	3.59	0.00	407	4.00	0.19	140	3.78	0.31	260	2.03	1.47	29,527	0.25	13.44	25
ALARM	37	1.81	0.14	3832	2.38	0.57	281	2.19	0.19	1025	0.14	0.11	11,272	0.05	10.92	39
BARLEY	48	2.85	1.23	4928	3.46	0.42	269	3.19	0.42	830	1.15	0.46	99,290	0.38	9.75	49
Average		2.19	0.24	2872	2.76	0.52	239	2.48	0.30	680	0.60	0.43	25,415	0.11	8.66	26