Fig. 2 | Scientific Data

Fig. 2

From: Plasma metabolomics dataset of race-walking athletes illuminating systemic metabolic reaction of exercise

Fig. 2

Technical validation data for QC samples in methods. (a) Principal component analysis (PCA) of cohort samples. Including untargeted metabolomics; targeted metabolomics and lipidomics. (b) Distribution graph of relative variation coefficient for the analytes in QCs. Including untargeted metabolomics; targeted metabolomics and lipidomics. (c) The stability of the first principal component of QCs over time. Including untargeted metabolomics; targeted metabolomics and lipidomics. (d) Spearman correlation analysis between the first and last QC data.

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