Fig. 1

PLS-DA optimized model for the training set data on 3D plots, where show the separation for the Positive Result (PR, green dots) samples from the Negative Result (NR, red dots) samples. LVs = Latent Variables.
PLS-DA optimized model for the training set data on 3D plots, where show the separation for the Positive Result (PR, green dots) samples from the Negative Result (NR, red dots) samples. LVs = Latent Variables.