Table 2. Results of compound identification of peaks detected before/after peak merging.

		Before peak merging			After peak merging
Odds	Model	Standard1	Unique2	Peak3	Standard	Unique	Peak
1	PMM	32	72	263	32	64	104
	tGMM	32	72	249	32	64	107
	GMM	32	72	254	31	63	105
	GaMM	32	73	265	31	64	106
	EGMM	32	69	230	32	63	103
10	PMM	32	68	230	31	61	97
	tGMM	32	70	223	31	62	99
	GMM	32	70	225	31	61	99
	GaMM	32	71	229	31	63	99
	EGMM	32	67	215	32	61	96
100	PMM	31	66	215	30	60	96
	tGMM	31	67	211	31	60	97
	GMM	31	65	211	30	58	96
	GaMM	31	68	213	30	60	96
	EGMM	31	64	201	30	58	92
10	OPT-MSE4	32	69	230	31	61	97
1	OPT-AIC	32	71	255	32	64	104
1	OPT-BIC	32	70	240	32	64	104

¹the number of 76 compound standards present in the list of ‘Unique’ peaks;

²the number of unique compound names in the list of peaks detected by each method;

³the number of peaks detected by each method;

⁴the trial-and-error optimization.