Summary statistics for vevent dataset :

by Jean Roth , jroth@nber.org , 22 Oct 2016

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |    107,161    28.14209    16.34204          1         56
     st_case |    107,161    282072.3      163406      10001     560131
    eventnum |    107,161    2.685548    2.159657          1         52
      veh_no |    107,161    1.321134    .9065202          1         40
   veventnum |    107,161    2.319575    1.675811          1         31
-------------+---------------------------------------------------------
    vnumber1 |    107,161    1.226874    .8460558          1         40
        aoi1 |    107,161    32.33371    29.34827          0         99
         soe |    107,161    33.66619    25.24171          1         99
    vnumber2 |    107,161    5601.344    4089.719          1       9999
        aoi2 |    107,161    52.34997    27.47195          1         99

by Jean Roth , jroth@nber.org , 22 Oct 2016