Summary statistics for factor dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |     46,039    28.00728    16.23619          1         56
     st_case |     46,039    280711.4    162340.5      10001     560113
      veh_no |     46,039     1.42868    .8783168          1         31
     mfactor |     46,039    4.264146    19.91711          0         99

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