Skip to main content

Table 5 Four models in RPANDA, postulating constant or varying speciation and extinction rates

From: Mid-Cenozoic climate change, extinction, and faunal turnover in Madagascar, and their bearing on the evolution of lemurs

Speciation Rate λ Extinction Rate μ AICc λ1 λ2 μ1 μ2
Constant Constant 539.30 0.25   0.19  
Time-varying Constant 540.07 0.23 −0.02 0.09  
Constant Time-varying 539.67 0.22   0.11 0.02
Time-varying Time-varying 540.65 0.23 0.08 0.22 0.08