Additional File 13.

Figure S6. Validation of O2PLS-DA model. The three-latent-component O2PLS-DA model in Figure 3E was partially cross-validated and a permutation test (100 permutations) was used to highlight putative overfitting.

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Dal Santo et al. Genome Biology 2013 14:r54   doi:10.1186/gb-2013-14-6-r54