Fig. 2aFrom: Towards objective measurements of habitual dietary intake patterns: comparing NMR metabolomics and food frequency questionnaire data in a population-based cohortResults from OPLS-DA model of uPDI. Red circles represent quartile 4 and yellow triangles represent quartile 1. 2b OPLS-DA model of uPDI colored by HDL-concentrations (low HDL, blue and high HDL, orange). X-axes, first predictive component explaining the variation between groups; Y-axes, second predictive component explaining the variation within groupsBack to article page