\begin{Schunk}
\begin{Sinput}
 head(reg.mod.1$residuals, 4)
\end{Sinput}
\begin{Soutput}
          1           2           3           4 
 0.47344443 -0.19683927  0.03054124 -0.30867153 
\end{Soutput}
\end{Schunk}
