Summary statistics for factor dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       state |     44,916    27.90827    16.29364          1         56
     st_case |     44,916    279741.2      162911      10001     560131
      veh_no |     44,916    1.443183    1.003168          1         40
     mfactor |     44,916    5.297934     22.0924          0         99

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