Summary statistics for vevent dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |        543          43           0         43         43
     st_case |        543    430165.7    94.69981     430001     430333
    eventnum |        543    1.287293    .6330129          1          5
      veh_no |        543    1.292818    .5673171          1          4
   veventnum |        543    1.211786    .5094034          1          4
-------------+---------------------------------------------------------
    vnumber1 |        543    1.062615    .3093592          1          3
        aoi1 |        543    9.093923    4.298419          0         12
         soe |        543    16.34622    11.49915          1         43
    vnumber2 |        543     5580.51    4969.238          1       9999
        aoi2 |        543    34.86372    22.73787          2         55

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