\begin{Schunk}
\begin{Sinput}
  colnames(dat)
\end{Sinput}
\begin{Soutput}
[1] "grp"       "inc"       "mar"       "sex"       "noise"     "moreNoise" "newed"    
\end{Soutput}
\begin{Sinput}
  rockchalk::summarize(dat)
\end{Sinput}
\begin{Soutput}
$numerics
         grp       inc moreNoise  newed   noise
0%    1.0000     11110   -1.6620  6.000    18.6
25%   1.0000     23170   -0.4029  9.500   352.1
50%   2.0000     34330    0.4912 12.000   418.4
75%   3.0000     44390    1.1340 14.500   588.6
100%  3.0000     78790    2.1970 20.000   869.3
mean  2.0000     38760    0.3464 12.370   459.2
sd    0.8165     18760    1.1950  4.072   200.1
var   0.6667 351900000    1.4290 16.580 40040.0
NA's  0.0000         0    0.0000  0.000     0.0
N    19.0000        19   19.0000 19.000    19.0

$factors
            mar                     sex        
 N            : 9.0000   Mal          :10.000  
 Y            : 9.0000   Fem          : 9.000  
 W            : 1.0000   NA's         : 0.000  
 NA's         : 0.0000   entropy      : 0.998  
 entropy      : 1.2448   normedEntropy: 0.998  
 normedEntropy: 0.7854   N            :19.000  
 N            :19.0000                         
\end{Soutput}
\end{Schunk}
