Table 3. PKS test for strict clock on three data-sets of real sequences ENV, COX1 and 18S rDNA (1,000 trees, k = 0.50).

	Lentiviruses ENV	Primates COX1	Yeasts 18S rDNA
Mean Branch Length (λ)	752.3	186.2	26.5
DPKS	0.53	0.67	0.63
τ (B)	224 (13)	17 (15)	89 (31)
NADJ	1,458	127	1,382
Critical Value (1%)	0.02	0.09	0.02
p-value	< 0.00001	< 0.00001	< 0.00001