Table 4.
The fit of alternative models of state-dependent diversification for the family Velloziaceae (traits: aquiferous parenchyma and development of aerial stems) and for the two most diverse subclades of the family (trait development of aerial stems only, see text)
| Lineage - trait | Model specification | logL | AICc | ΔAIC | w i |
|---|---|---|---|---|---|
| Model | |||||
| Velloziaceae - aquiferous parenchyma | |||||
| bisse.null | hidden.states=FALSE, rates=c(1,1,0,0), N=4 | −516.38 | 1041.03 | 11.776 | 0.0027 |
| bisse | hidden.states=FALSE, rates=(1,2,0,0), N=6 | −513.21 | 1039.001 | 9.747 | 0.00756 |
| null.hisse | hidden.states=TRUE, rates=c(1,1,2,2), N=5 | −527.92 | 1066.258 | 37.004 | 9.1E-09 |
| hisse.partial | hidden.states=TRUE, rates=c(1,2,0,3), N=10 | −503.83 | 1029.254 | 0 | 0.9895* |
| hisse.full | hidden.states=TRUE, rates=c(1,2,3,4), N=12 | −509.85 | 1045.98 | 16.726 | 0.0002 |
| Velloziaceae - development of aerial stem | |||||
| bisse.null | hidden.states=FALSE, rates=c(1,1,0,0), N=4 | −543.53 | 1095.34 | 20.57 | 3.4E-05 |
| bisse | hidden.states=FALSE, rates=(1,2,0,0), N=6 | −542.78 | 1098.16 | 23.39 | 8.3E-06 |
| null.hisse | hidden.states=TRUE, rates=c(1,1,2,2), N=5 | −532.17 | 1074.77 | 0 | 0.9999* |
| hisse.partial | hidden.states=TRUE, rates=c(1,2,0,3), N=10 | −538.5 | 1098.59 | 23.82 | 6.7E-06 |
| hisse.full | hidden.states=TRUE, rates=c(1,2,3,4), N=12 | −537.44 | 1101.16 | 26.39 | 1.9E-06 |
| Barbacenia - development of aerial stem | |||||
| bisse.null | hidden.states=FALSE, rates=c(1,1,0,0), N=4 | −149.18 | 307.28 | 0 | 0.8165* |
| bisse | hidden.states=FALSE, rates=(1,2,0,0), N=6 | −149.2 | 312.40 | 5.12 | 0.0632 |
| null.hisse | hidden.states=TRUE, rates=c(1,1,2,2), N=5 | −149.86 | 311.12 | 3.83 | 0.0002 |
| hisse.partial | hidden.states=TRUE, rates=c(1,2,0,3), N=10 | −149.18 | 324.16 | 16.88 | 0.1202 |
| hisse.full | hidden.states=TRUE, rates=c(1,2,3,4), N=12 | −149.19 | 331.04 | 23.76 | 5.7E-06 |
| Vellozia + Barbaceniopis - development of aerial stem | |||||
| bisse.null | hidden.states=FALSE, rates=c(1,1,0,0), N=4 | −292.75 | 594.03 | 10.04 | 0.0045 |
| bisse | hidden.states=FALSE, rates=(1,2,0,0), N=6 | −287.46 | 588.09 | 4.09 | 0.0875 |
| null.hisse | hidden.states=TRUE, rates=c(1,1,2,2), N=5 | −287.79 | 586.38 | 2.38 | 0.2052 |
| hisse.partial | hidden.states=TRUE, rates=c(1,2,0,3), N=10 | −280.93 | 583.99 | 0 | 0.6759* |
| hisse.full | hidden.states=TRUE, rates=c(1,2,3,4), N=12 | −280.93 | 590.44 | 6.44 | 0.0269 |
The best model fitted, based on ΔAIC and Akaike weights (wi), is denoted by *. AICc: Akaike information criterion corrected for sample size. N = number of parameters of each model; logL = log-likelihood of the model.