Model                                     AIC       deltaAIC        AIC wgtModel Likelihood        no.Par.     -2*LogLike
psi(drain),p(.)                         34.35           0.00         0.3087         1.0000              3          28.35
psi(.),p(.)                             34.58           0.23         0.2752         0.8914              2          30.58
psi(bush),p(.)                          35.84           1.49         0.1466         0.4747              3          29.84
psi(drain),p(rain)                      36.35           2.00         0.1136         0.3679              4          28.35
psi(.),p(rain)                          36.57           2.22         0.1017         0.3296              3          30.57
psi(bush),p(rain)                       37.83           3.48         0.0542         0.1755              4          29.83
