Model                                     AIC       deltaAIC        AIC wgtModel Likelihood        no.Par.     -2*LogLike
psi(bush),p(.)                          36.74           0.00         0.4626         1.0000              3          30.74
psi(.),p(.)                             37.85           1.11         0.2655         0.5741              2          33.85
psi(bush),p(rain)                       38.71           1.97         0.1727         0.3734              4          30.71
psi(.),p(rain)                          39.82           3.08         0.0992         0.2144              3          33.82
