Model                                     AIC       deltaAIC        AIC wgtModel Likelihood        no.Par.     -2*LogLike
psi(.),p(.)                             69.43           0.00         0.5005         1.0000              2          65.43
psi(bush),p(.)                          70.98           1.55         0.2306         0.4607              3          64.98
psi(.),p(rain)                          71.43           2.00         0.1841         0.3679              3          65.43
psi(bush),p(rain)                       72.98           3.55         0.0848         0.1695              4          64.98
