Model                                     AIC       deltaAIC        AIC wgtModel Likelihood        no.Par.     -2*LogLike
psi(.),p(.)                            179.96           0.00         0.5014         1.0000              2         175.96
psi(bush),p(.)                         181.53           1.57         0.2287         0.4561              3         175.53
psi(.),p(rain)                         181.95           1.99         0.1854         0.3697              3         175.95
psi(bush),p(rain)                      183.52           3.56         0.0846         0.1686              4         175.52
