Summary statistics for nmcrash dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |        138          43           0         43         43
     st_case |        138    430176.8    97.17572     430001     430333
      veh_no |        138           0           0          0          0
      per_no |        138    1.108696    .4935316          1          5
    mtm_crsh |        138    3.297101    5.856445          0         21

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