Model                                     AIC       deltaAIC        AIC wgtModel Likelihood        no.Par.     -2*LogLike
psi(.),p(.)                             78.17           0.00         0.5095         1.0000              2          74.17
psi(bush),p(.)                          79.85           1.68         0.2199         0.4317              3          73.85
psi(.),p(rain)                          80.15           1.98         0.1893         0.3716              3          74.15
psi(bush),p(rain)                       81.84           3.67         0.0813         0.1596              4          73.84
