Table 4.

Maximum-likelihood estimates of θ_w per nucleotide and likelihood ratio tests

Model	θw1 (no. pop)	θw2 (no. pop)	θw3 (no. pop)	θw4 (no. pop)	ML	LRT	P
M1	0.0031 (14)				−40.7985
M2a	0.0012 (7)	0.0052 (7)			−30.015	21.567	0.009 (M1 versus M2)
M3b	0.0012 (7)	0.0039 (5)	0.0076 (2)		−28.355	3.320	0.810 (M2 versus M3)
M4c	0.0009 (4)	0.0014 (3)	0.0039 (5)	0.0076 (2)	−28.0884	0.533	0.991 (M3 versus M4)
M14					−27.9271	0.323	1.000 (M4 versus M14)

^aθ_w1: CA, FO, SA, TU, Bol dom, Bol syl, Uru; θ_w2: SE, LR, SJ, SF, RN, SL, CO.

^bθ_w1: CA, FO, SA, TU, Bol dom, Bol syl, Uru; θ_w2: SJ, SF, RN, SL, CO; θ_w3: SE, LR.

^cθ_w1: TU, Bol dom, Bol syl, Uru; θ_w2: CA, FO, SA, SJ; θ_w3: SJ, SF, RN, SL, CO; θ_w4: SE, LR.