Squared correlation coefficient of any pair of SNPs against the level of the most recent common ancestor (MRCA), for Daly et al .'s dataset. (a) Phased data (b) Unphased data. N denotes the situation where the two SNPs considered do not belong to the same tree. a = 0.2, b = 2, card
= 20, t
= 0.95, t
(0.95), t = 0.3 (for CFHLC parameter description, see Section Algorithm).