\begin{Schunk}
\begin{Sinput}
 dat_long
\end{Sinput}
\begin{Soutput}
  child_id Time FSIQ
1      110    1   98
2      110    2  102
3      110    3  104
4      210    1   89
5      210    2   91
6      210    3   95
\end{Soutput}
\end{Schunk}
