Summary statistics for per_aux dataset :

by Jean Roth , jroth@nber.org , 18 Apr 2016

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_age1 |    102,102    2.722816    .9532126          1          5
      a_age2 |    102,102    3.698821    1.478429          1          6
      a_age3 |    102,102    7.224188    2.668335          1         13
      a_age4 |    102,102    4.114611    1.965274          1          8
      a_age5 |    102,102    4.381589    2.392246          1         10
-------------+---------------------------------------------------------
      a_age6 |    102,102    4.398484    2.371748          1         10
      a_age7 |    102,102    6.286517    2.552446          1         12
      a_age8 |    102,102    3.051595    1.787428          1          7
      veh_no |    102,102    1.337564    1.017941          0         32
      per_no |    102,102    1.781121    1.847478          1         43
-------------+---------------------------------------------------------
     st_case |    102,102    269496.7    160821.8      10001     560138
        year |    102,102        1995           0       1995       1995
     a_ptype |    102,102    1.540744    .6885486          1          5
      a_rest |    102,102    1.658851    .6411813          1          3
    a_alctes |    102,102    2.601095    1.009781          1          5
-------------+---------------------------------------------------------
      a_hisp |    102,102           0           0          0          0
      a_rcat |    102,102           0           0          0          0
     a_hrace |    102,102           0           0          0          0
     a_eject |    102,102    1.135815    .3586557          1          3
    a_perinj |    102,102    3.952195    2.458776          1          6
-------------+---------------------------------------------------------
       a_loc |    102,102    1.131888    .4820151          1          4

by Jean Roth , jroth@nber.org , 18 Apr 2016