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. 2019 Oct 30;10(2):249–261. doi: 10.1016/j.apsb.2019.10.007

Figure 2.

Figure 2

Feature selection based on multivariate analysis. (A) An example of PCA score plot summarising the distribution of QCs and samples; (B) corresponding Hotelling's T2 plot showing strong and moderate outliers; (C) an example of S-plot based on covariant and correlation; (D) interactive cloud plot showing the change of metabolites, with upper being plasma sample and lower being urine sample; (E) volcano plots showing both P value and fold change of metabolites, with left being urine sample and right being plasma sample.