Model                                     AIC       deltaAIC        AIC wgtModel Likelihood        no.Par.     -2*LogLike
psi(.),p(.)                             86.85           0.00         0.4490         1.0000              2          82.85
psi(gully),p(.)                         87.82           0.97         0.2765         0.6157              3          81.82
psi(.),p(rain)                          88.79           1.94         0.1702         0.3791              3          82.79
psi(gully),p(rain)                      89.77           2.92         0.1043         0.2322              4          81.77
