Table 2.

Estimated posterior probabilities of K assuming four genetic clusters

K*	ln P(X|K)	P(K|X)**
1	–11172·8	∼1
2	–11214·2	∼0
3	–11290·4	∼0
4	–11289·3	∼0

Calculations based on seven locations (209 individuals of Q. petraea from Ireland).

* number of clusters assumed using STRUCTURE; ** assuming a uniform prior for K, where 1 ≤ K ≤ 4 (for explanation, see text).