\begin{Schunk}
\begin{Sinput}
 head(dat, 15)
\end{Sinput}
\begin{Soutput}
          xnum1  xcat2 z           y
1   0.221608622 Female B  0.26596283
2  -0.231276910 Female D  0.21272973
3  -0.281808460 Female C -0.23402274
4   0.012702720   Male D  0.08226325
5   0.640549486   Male D  0.32527083
6   0.000329053   Male D  0.05663577
7   1.876086067 Female B  1.08698168
8   1.846589937   Male D -0.61146485
9  -0.717189068 Female C -0.47003519
10 -0.112679417 Female A  0.24509022
11 -0.200304178 Female A -0.31550858
12  1.354768108 Female A -0.29179589
13  0.894995240 Female D  0.82910002
14  0.145769927   Male A  0.64123188
15 -0.216373991   Male B  0.69446722
\end{Soutput}
\end{Schunk}
