Fig. 2From: Population dynamics and genome-wide selection scan for dogs in ChernobylDAPC and PCA highlight population clustering using SNP data (301Â K set). AÂ Discriminant analysis of principal components highlights separation between populations, plotted across discriminant function 1. We retained 30 principal components and one discriminant axis after cross-validation procedures. BÂ Plot of principal component analysis for same SNP data with 30 retained principal components. PC1 (7.2% variance explained) is plotted along the x-axis and PC2 (5.2% variance explained) is plotted along the y-axisBack to article page