Table 2 Categories of variables in the metabolomic dataset.

From: Simplex-structured matrix factorisation: application of soft clustering to metabolomic data

Variables

Categories

Label

1-20

Amino acids

I

21-31

Biogenic amines

II

32-41

Acylcarnitines

III

42-51

Lysophosphatidylcholines

IV

52-123

Phosphatidylcholines

V

124-137

Sphingomyelins

VI

138

Hexose

VII