Model                                     AIC       deltaAIC        AIC wgtModel Likelihood        no.Par.     -2*LogLike
psi(.),p(rain)                         271.63           0.00         0.6343         1.0000              3         265.63
psi(gully),p(rain)                     273.63           2.00         0.2333         0.3679              4         265.63
psi(.),p(.)                            275.39           3.76         0.0968         0.1526              2         271.39
psi(gully),p(.)                        277.39           5.76         0.0356         0.0561              3         271.39
