Fig. 1From: Evolutionary diversification of Pseudomonas aeruginosa in an artificial sputum modelExploratory principal component analysis of multivariate phenotype data. (a) Variable factor map, (b) individual factor map, labelled with experimental treatment and (c) individual factor map, labelled with population number. The Eigenvalues for the first and second components were 2.07 and 1.59, respectivelyBack to article page