Model                                     AIC       deltaAIC        AIC wgtModel Likelihood        no.Par.     -2*LogLike
psi(.),p(.)                            220.62           0.00         0.4666         1.0000              2         216.62
psi(gully),p(.)                        221.76           1.14         0.2639         0.5655              3         215.76
psi(.),p(rain)                         222.61           1.99         0.1725         0.3697              3         216.61
psi(gully),p(rain)                     223.76           3.14         0.0971         0.2080              4         215.76
