Model                                     AIC       deltaAIC        AIC wgtModel Likelihood        no.Par.     -2*LogLike
psi(.),p(.)                             41.34           0.00         0.5005         1.0000              2          37.34
psi(bush),p(.)                          42.89           1.55         0.2306         0.4607              3          36.89
psi(.),p(rain)                          43.34           2.00         0.1841         0.3679              3          37.34
psi(bush),p(rain)                       44.89           3.55         0.0848         0.1695              4          36.89
