Model                                     AIC       deltaAIC        AIC wgtModel Likelihood        no.Par.     -2*LogLike
psi(drain),p(.)                         61.82           0.00         0.5367         1.0000              3          55.82
psi(drain),p(rain)                      63.25           1.43         0.2626         0.4892              4          55.25
psi(.),p(.)                             64.78           2.96         0.1222         0.2276              2          60.78
psi(bush),p(.)                          66.46           4.64         0.0527         0.0983              3          60.46
psi(bush),p(rain)                       67.89           6.07         0.0258         0.0481              4          59.89
