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

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

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 nlv* 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
  1. n lv * number of latent variables for PCA