\begin{Schunk}
\begin{Sinput}
 m4.desc2
\end{Sinput}
\begin{Soutput}
   variable mean var skewness
1         y  6.1  29   -0.029
2        x1  9.9 8.7    -0.11
3        x2   10 9.2    0.027
4        x3   10 8.5    -0.06
5     xcat1                  
6         b 0.27             
7         a 0.26             
8         c 0.25             
9         d 0.23             
10    xcat2                  
11    Male2 0.53             
12    Male1 0.47             
\end{Soutput}
\end{Schunk}
