Model                                     AIC       deltaAIC        AIC wgtModel Likelihood        no.Par.     -2*LogLike
psi(.),p(.)                             16.24           0.00         0.4267         1.0000              2          12.24
psi(.),p(rain)                          17.36           1.12         0.2437         0.5712              3          11.36
psi(gully),p(.)                         17.66           1.42         0.2098         0.4916              3          11.66
psi(gully),p(rain)                      18.78           2.54         0.1198         0.2808              4          10.78
