Europe first and strongest principal component focus is located on the Middle East. According to him, it represents the expansion of early agriculturalists from there into Europe. Second component has a maximum in East Russia and Lapland. It has a minimum in Spain. It is associated to a possible immigration from the East or to adaptation to climate.
Third component has a maximum in Ukraine and a minimum in Spain and north Scandinavia.
It is associated with the Expansion of the Indo-Europeans. It has a maximum on Greece. It is associated with the Greek expansion on classical times . It is center exactly in the Basque country. It is associated to the remains of the original European Paleolithic population.