Model                                     AIC       deltaAIC        AIC wgtModel Likelihood        no.Par.     -2*LogLike
psi(.),p(.)                            245.56           0.00         0.5344         1.0000              2         241.56
psi(gully),p(.)                        247.56           2.00         0.1966         0.3679              3         241.56
psi(.),p(rain)                         247.56           2.00         0.1966         0.3679              3         241.56
psi(gully),p(rain)                     249.56           4.00         0.0723         0.1353              4         241.56
