A principal components method constrained by elementary flux modes: analysis of flux data sets

BMC Bioinformatics

Table 3 Selected EMs and the respective captured variance (ϑ) values for one to ten number of n _Facs obtained for experimental data given in Tortajada et al. [23] and the best first solution of the greedy approach (BF**)

n _Fac	EM/ϑ	1	2	3	4	5	6	7	8	9	10
1	EM	90
1	ϑ	42.32
2	EMs	76	14
2	ϑ	38.88	76.83
3	EMs	76	14	40
3	ϑ	38.88	76.83	92.45
4	EMs	32	14	33	4/22
4	ϑ	38.71	76.66	90.41	98.87
5	EMs	32	14	33	4/22	37
5	ϑ	38.71	76.66	90.41	98.87	98.95
6	EMs	32	14	33	4/22	37	12
6	ϑ	38.71	76.66	90.41	98.87	98.95	99.00
7	EMs	32	14	33	4/22	37	12	1
7	ϑ	38.71	76.66	90.41	98.87	98.95	99.00	99.01
8	EMs	32	14	33	4/22	37	12	1	5
8	ϑ	38.71	76.66	90.41	98.87	98.95	99.00	99.01	99.01
9	EMs	32	14	33	4/22	37	12	1	5	19
9	ϑ	38.71	76.66	90.41	98.87	98.95	99.00	99.01	99.01	99.01
10	EMs	32	14	33	4/22	37	12	1	5	19	20
10	ϑ	38.71	76.66	90.41	98.87	98.95	99.00	99.01	99.01	99.01	99.01
PCA	n_lv*	1	2	3	4/22	5	6	7	8	9
PCA	ϑ	92.03	97.16	99.84	99.98	100.00	100.00	100.00	100.00	100.00
BF**	EMs	89	75	39	4	12	20	1	5	10	7
BF**	ϑ	42.32	76.72	92.33	97.95	98.10	98.20	98.27	98.27	98.27	98.27