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. 2019 Oct 17;14(10):e0223909. doi: 10.1371/journal.pone.0223909

Fig 1.

Fig 1

Score plots from the Principal Component Analysis (PCA) (top) and the Partial Least Squares Discriminant Analysis (PLS-DA) (bottom), for ESI-MS (left) and GC-MS (right) data. The 95% confidence areas are shown as well as the explained variance, shown in brackets in the corresponding axis labels.