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Table 4 Selected EMs and the respective captured variance (ϑ) values for one to ten number of n Fac s obtained for experimental data extracted from [28] and [29]

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 11 12 13
1 EMs 915             
1 ϑ 28.12             
2 EMs 915 1145            
2 ϑ 28.12 46.44            
3 EMs 678 1145 988           
3 ϑ 25.54 44.93 56.05           
4 EMs 1145 663 968 750          
4 ϑ 22.62 41.62 55.31 65.07          
5 EMs 1145 663 968 750 48         
5 ϑ 22.62 41.62 55.31 65.07 72.62         
6 EMs 1145 663 968 750 48 31        
6 ϑ 22.62 41.62 55.31 65.07 72.62 77.23        
7 EMs 1145 663 766 968 48 31 1047       
7 ϑ 22.62 41.62 55.33 65.05 72.61 77.22 81.15       
8 EMs 1145 663 750 48 647 718 31 1040      
8 ϑ 22.62 41.62 55.25 62.80 69.99 76.42 81.03 84.98      
9 EMs 1145 663 750 48 647 718 31 1040 641     
9 ϑ 22.62 41.62 55.25 62.80 69.99 76.42 81.03 84.98 87.61     
10 EMs 1145 972 697 750 48 685 31 999 659 501    
10 ϑ 22.62 40.25 51.57 62.43 69.99 75.60 80.21 83.94 87.57 90.20    
PCA #Lv 1 2 3 4 5 6        
PCA nlv** 68.44 84.28 94.82 98.42 99.53 100.00        
BF* EMs 893 1123 675 1115 26 13 1022 637 630 672 33 1155 1117
BF* ϑ 28.12 46.44 55.71 64.85 72.40 77.01 80.69 84.14 86.77 89.19 90.42 91.29 91.73
  1. n lv ** number of latent variables for PCA. BF* best first solution obtained by the greedy approach