Model                                     AIC       deltaAIC        AIC wgtModel Likelihood        no.Par.     -2*LogLike
psi(.),p(.)                             26.02           0.00         0.4507         1.0000              2          22.02
psi(gully),p(.)                         26.97           0.95         0.2803         0.6219              3          20.97
psi(.),p(rain)                          28.02           2.00         0.1658         0.3679              3          22.02
psi(gully),p(rain)                      28.97           2.95         0.1031         0.2288              4          20.97
