Summary statistics for nmcrash dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |        179          43           0         43         43
     st_case |        179    430163.5    96.82426     430003     430336
      veh_no |        179           0           0          0          0
      per_no |        179    1.340782    1.268043          1         10
    mtm_crsh |        179    6.122905    7.163145          0         19

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