Model                                     AIC       deltaAIC        AIC wgtModel Likelihood        no.Par.     -2*LogLike
psi(.),p(.)                             68.24           0.00         0.5025         1.0000              2          64.24
psi(bush),p(.)                          69.98           1.74         0.2105         0.4190              3          63.98
psi(.),p(rain)                          70.06           1.82         0.2023         0.4025              3          64.06
psi(bush),p(rain)                       71.80           3.56         0.0847         0.1686              4          63.80
