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