Model                                     AIC       deltaAIC        AIC wgtModel Likelihood        no.Par.     -2*LogLike
psi(.),p(.)                             42.45           0.00         0.5344         1.0000              2          38.45
psi(gully),p(.)                         44.45           2.00         0.1966         0.3679              3          38.45
psi(.),p(rain)                          44.45           2.00         0.1966         0.3679              3          38.45
psi(gully),p(rain)                      46.45           4.00         0.0723         0.1353              4          38.45
