Summary statistics for vevent dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |        540          43           0         43         43
     st_case |        540    430176.3     102.174     430001     430352
    eventnum |        540    1.212963    .5422917          1          5
      veh_no |        540    1.242593    .5154755          1          5
   veventnum |        540    1.166667    .4242203          1          3
-------------+---------------------------------------------------------
    vnumber1 |        540    1.040741     .331141          1          5
        aoi1 |        540     8.67037    4.543201          0         12
         soe |        540    16.13333    11.95092          1         43
    vnumber2 |        540    5963.207    4909.429          2       9999
        aoi2 |        540    49.63704    33.35014          2         77

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