Figure 4.

PCA scores plots of the 1D NMR spectra of mussel adductor muscle. (A) Unscaled data, (B) autoscaled data, (C) Pareto scaled data, (D) glog transformed data. The red circles represent the hypoxic samples whilst the blue squares represent the normoxic samples. The black line represents the decision boundary between the classes constructed using LDA.

Parsons et al. BMC Bioinformatics 2007 8:234   doi:10.1186/1471-2105-8-234
Download authors' original image