Skip to main content

Table 5 Metabolites with non-zero weights in the two selected solutions

From: A flexible framework for sparse simultaneous component based data integration

 

metabolite

f L = 0.5

f L = 1

C1

3,5-dihydroxypentanoate:

0.68

0.88

C1

valine:

0.58

0.20

C1

3-phenyllactate or isomer:

0.55

1.21

C1

isoleucine:

0.48

 

C1

tyrosine:

0.41

0.03

C1

phenylalanine:

0.40

 

C1

unknown mass 304, 319 and 406:

0.01

 

C1

spectrum not complete6:

-0.06

 

C1

mixed spectrum3:

-0.43

0.36

C1

keto-gluconate (?):

-0.46

0.25

C2

fumarate:

1.40

1.99

C2

malate:

0.96

1.06

C2

aspartate:

0.42

 

C2

monomethylphosphate:

0.39

 

C2

C18:1 fatty acid3:

0.37

0.19

C2

unknown1:

0.37

 

C2

spectrum not complete4:

0.20

 

C2

mixed spectrum2:

0.19

 

C2

glycerate:

0.14

 

C2

unknown20:

0.02

 

C3

lactate:

1.23

2.18

C3

pyruvate:

0.71

0.39

C3

disaccharide12:

0.49

0.11

C3

3-dehydroquinate:

0.38

 

C3

disaccharide8:

0.33

 

C3

citrate:

0.29

 

C3

disaccharide9:

0.27

 

C3

unknown mass 318 and 420:

0.17

 

C3

unknown mass 217 and 191:

0.17

 

C3

disaccharide13:

0.11

 

C3

2-hydroxybutanoate:

0.09

 

C4

ADP:

1.16

1.01

C4

GDP:

0.96

1.21

C4

UDP-glucose:

0.71

0.14

C4

UTP:

0.34

 

C4

unknown27:

0.20

 

C4

GMP:

0.20

 

C4

FBP:

0.09

 

C5

spectrum not found7:

1.41

2.04

C5

guanine:

0.73

 

C5

orotate:

0.51

0.34

C5

spectrum not complete5:

0.31

 

C5

mixed spectrum6:

0.24

 

C5

N-acetylaspartate

  

C5

+ beta-phenylpyruvate:

0.23

 

C5

thymine:

0.12

 
  1. Metabolites with non-zero component weighs for each of the five components (C1 to C5). The component weights of two selected models are shown that differ in the degree of sparsity (f L = 0.5 and f L = 1).