Fig. 1.
Principal components analysis (PCA) of UK Labrador Retrievers: a dogs labelled by coat colour (black, yellow, chocolate); b dogs labelled by role (gundog, showdog, pet, unknown, other); c dogs labelled by geographical location
Principal components analysis (PCA) of UK Labrador Retrievers: a dogs labelled by coat colour (black, yellow, chocolate); b dogs labelled by role (gundog, showdog, pet, unknown, other); c dogs labelled by geographical location