Model                                     AIC       deltaAIC        AIC wgtModel Likelihood        no.Par.     -2*LogLike
psi(.),p(.)                            232.86           0.00         0.5144         1.0000              2         228.86
psi(.),p(rain)                         234.59           1.73         0.2166         0.4211              3         228.59
psi(gully),p(.)                        234.86           2.00         0.1893         0.3679              3         228.86
psi(gully),p(rain)                     236.59           3.73         0.0797         0.1549              4         228.59
