\begin{Schunk}
\begin{Sinput}
 anova(out.mod1, out.mod2)
\end{Sinput}
\begin{Soutput}
Chi Square Difference Test

         Df    AIC    BIC  Chisq Chisq diff Df diff Pr(>Chisq)
out.mod1  0 1335.3 1358.9 0.0000                              
out.mod2  1 1334.0 1353.7 0.7467    0.74668       1     0.3875
\end{Soutput}
\end{Schunk}
