Having examined the score plot, it is natural to ask why the Scandinavian and Mediterranean countries cluster together. This information is revealed by the second plot which we call a loading plot.
In the top right quadrant (direction of Scandinavian cluster) we find crisp bread, frozen fish and frozen vegetables all of which epitomize the Scandinavian eating habit. In contrast, the Mediterranean countries are characterized by garlic and olive oil.
How it Works
