Model                                     AIC       deltaAIC        AIC wgtModel Likelihood        no.Par.     -2*LogLike
psi(bush),p(.)                          42.58           0.00         0.4703         1.0000              3          36.58
psi(.),p(.)                             43.76           1.18         0.2607         0.5543              2          39.76
psi(bush),p(rain)                       44.58           2.00         0.1730         0.3679              4          36.58
psi(.),p(rain)                          45.76           3.18         0.0959         0.2039              3          39.76
