Model                                     AIC       deltaAIC        AIC wgtModel Likelihood        no.Par.     -2*LogLike
psi(.),p(.)                             37.18           0.00         0.3422         1.0000              2          33.18
psi(drain),p(.)                         37.90           0.72         0.2387         0.6977              3          31.90
psi(.),p(rain)                          38.94           1.76         0.1419         0.4148              3          32.94
psi(bush),p(.)                          39.18           2.00         0.1259         0.3679              3          33.18
psi(drain),p(rain)                      39.66           2.48         0.0990         0.2894              4          31.66
psi(bush),p(rain)                       40.94           3.76         0.0522         0.1526              4          32.94
