\begin{Schunk}
\begin{Sinput}
 library(rockchalk)
 sum.hsb <- summarize(hsb)
\end{Sinput}
\begin{Soutput}
Numeric variables
             ses     mathach     size    pracad    disclim   himinty   schoolid     mean      sd   
min          -3.76     -2.83    100         0        -2.42      0      1224          4.24      3.54
med           0        13.13   1016         0.53     -0.23      0      5192         13.16      6.30
max           2.69     24.99   2713         1         2.76      1      9586         19.72      8.48
mean          0        12.75   1056.86      0.53     -0.13      0.28   5277.90      12.75      6.20
sd            0.78      6.88    604.17      0.25      0.94      0.45   2499.58       3.01      0.86
skewness     -0.23     -0.18      0.57      0.16      0.24      0.98      0.11      -0.27     -0.24
kurtosis     -0.38     -0.92     -0.36     -0.89     -0.16     -1.04     -1.25      -0.05      0.22
nobs       7185      7185      7185      7185      7185      7185      7185       7185      7185   
nmissing      0         0         0         0         0         0         0          0         0   
            sdalt      junk    sdalt2      num       se       sealt    sealt2      t2       t2alt 
min           6.26      0        48.39     14         0.51      0.76      0.85      0         0   
med           6.26     30.63     48.39     51         0.89      0.88      0.97      5.75      4.36
max           6.26    239.29     48.39     67         1.82      1.67      1.86    195.81     52.82
mean          6.26     47.32     48.39     48.02      0.92      0.92      1.03     14.66      8.54
sd            0        48.90      0        10.82      0.20      0.13      0.14     26.42     11.06
skewness       NaN      1.30       NaN     -0.58      1.11      1.59      1.59      3.67      2.06
kurtosis       NaN      1.46       NaN     -0.37      2.32      3.25      3.25     16.89      4.24
nobs       7185      7185      7185      7185      7185      7185      7185      7185      7185   
nmissing      0         0         0         0         0         0         0         0         0   
           pickone    mmses     mnses      xb       resid 
min           0        -1.19     -1.19      5.68    -19.49
med           0         0.03      0.03     12.87      0.24
max           1         0.82      0.82     17.52     16.44
mean          0.02      0         0        12.69      0.06
sd            0.15      0.41      0.41      2.42      6.46
skewness      6.47     -0.27     -0.27     -0.27     -0.14
kurtosis     39.92     -0.48     -0.48     -0.48     -0.69
nobs       7185      7185      7185      7185      7185   
nmissing      0         0         0         0         0   

Nonnumeric variables
      sector         gender            ethnicity              schoolidf   
 Public  : 3642   Female: 3795     White    : 5211     2305        :   67 
 Catholic: 3543   Male  : 3390     Non-white: 1974     5619        :   66 
 nobs    : 7185   nobs  : 7185     nobs     : 7185     4292        :   65 
 nmiss   :    0   nmiss :    0     nmiss    :    0     3610        :   64 
 entropy      : 1 entropy      : 1 entropy      : 0.85 (All Others): 6923 
 normedEntropy: 1 normedEntropy: 1 normedEntropy: 0.85 nobs        : 7185 
                                                       nmiss       :    0 
                                                       entropy      : 7.27
                                                       normedEntropy: 0.99
\end{Soutput}
\end{Schunk}
