Table 4. Log-likelihood values and parameter estimates under the clade model.

	Class 0	Class 1	Class 2
Proportion	p 0 = 0.591	p 1 = 0.316	p 2 = 0.094
All others	ω0 = 0.073	ω1 = 1	ω2 = 5.766
1980s-within	ω0	ω1	ω3 = 4.753
2000s-within	ω0	ω1	ω4 = 2.516
1980s-between	ω0	ω1	ω5 = 7.749
2000s-between	ω0	ω1	ω6 = 4.184