TABLE 1.

Notation (see also Figure 1)

nx	No. of lineages at node x: nx ≥ 1
rx	Allele count (the count of “1” alleles) of nx lineages at node x: 0 ≤ rx ≤ nx
	All the data at or below node x
	All the data that are not at or below node x
	Total no. of haploids sampled at or below node
	Total no. of haploids sampled that are not at or below node x
	No. of lineages just below node x, in the branch coming from the left side of
	Allele count (of lineages) just below node x, in the branch coming from the left side of
	All the data at or below the branch coming from the left side of node x
	All the data that are not at or below the branch coming from the left side of node x
	Total no. of haploids sampled at or below the branch coming from the left side of node
	Total no. of haploids sampled that are not at or below the branch coming from the left side of node x
	No. of lineages just below node x, in the branch coming from the right side of
	Allele count [of lineages] just below node x, in the branch coming from the right side of
	All the data at or below the branch coming from the right side of node x
	All the data that are not at or below the branch coming from the right side of node x
	Total no. of haploids sampled at or below the branch coming from the right side of node
	Total no. of haploids sampled that are not at or below the branch coming from the right side of node x