\begin{Schunk}
\begin{Sinput}
 head(fd)
\end{Sinput}
\begin{Soutput}
          v3         v4 v5
1  0.6607697  0.1401390  A
2 -2.0529830  0.2091844  B
3 -1.4992061 -3.0360898  C
4  1.4712331 -0.4869341  D
5  1.4591385 -1.0878673  E
\end{Soutput}
\end{Schunk}
