Table 1.

Parameter values used for aligning the 12 synthetic data sets and the real proteomic (P1 and P2) and metabolomic (M1 and M2) data sets using the RANSAC and Join aligners.

Parameter	12 synthetic data sets	Proteomics data		Metabolomics data
		Data set P1	Data set P2	Data set M1	Data set M2
m/z tolerance	0.05 m/z	1.5 m/z	1.5 m/z	0.03 m/z	0.025 m/z
RT tolerance after correction	0:25	02:30	2:30	00:50	00:30
RT tolerance	0:50	03:30	05:00	00:30	00:30
RANSAC iterations	5000	50000	50000	15000	15000
Minimum number of points	20%	2.00%	0.10%	20.00%	20.00%
Threshold value	4 seconds	4 seconds	15 seconds	4 seconds	4 seconds
Non-linear model	yes	yes	no	yes	yes