Fig. 6

Multivariate analysis of the metabolic profile of LNCaP-ADR cells and LNCaP parental cells. A, B PCA score plots in the POS model A and NEG model (B). C, D OPLS-DA score plots in the POS model (C) and NEG model (D). E, F Permutation tests of the OPLS-DA model in the POS model (E) and NEG model (F). PCA, principal component analysis. OPLS-DA, orthogonal projections to latent structures- discriminant analysis