Summary statistics for nmcrash dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |        135          43           0         43         43
     st_case |        135    430158.7    82.10592     430001     430287
      veh_no |        135           0           0          0          0
      per_no |        135    1.096296    .3203094          1          3
    mtm_crsh |        135    5.674074    7.083542          0         19

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