Model                                     AIC       deltaAIC        AIC wgtModel Likelihood        no.Par.     -2*LogLike
psi(.),p(.)                            278.71           0.00         0.3121         1.0000              2         274.71
psi(gully),p(.)                        279.78           1.07         0.1828         0.5857              3         273.78
psi(.),p(rain)                         279.93           1.22         0.1696         0.5434              3         273.93
psi(open),p(.)                         280.14           1.43         0.1527         0.4892              3         274.14
psi(gully),p(rain)                     280.99           2.28         0.0998         0.3198              4         272.99
psi(open),p(rain)                      281.36           2.65         0.0830         0.2658              4         273.36
