Summary statistics for miper dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     st_case |     50,880    276215.9    163100.7      10001     560131
      veh_no |     50,880    1.263954     1.05216          0         40
      per_no |     50,880     1.02158    .3268757          1         21
          p1 |     50,880    4.369752    8.624399          0         89
          p2 |     50,880    4.446816    8.718278          0         93
-------------+---------------------------------------------------------
          p3 |     50,880    4.463149    8.699595          0         89
          p4 |     50,880    4.404894    8.686652          0         89
          p5 |     50,880      4.4682    8.711504          0         89
          p6 |     50,880    4.431447    8.683945          0         89
          p7 |     50,880    4.440998    8.689393          0         89
-------------+---------------------------------------------------------
          p8 |     50,880    4.466333    8.716989          0         89
          p9 |     50,880    4.399037    8.635625          0         89
         p10 |     50,880    4.402103    8.655668          0         89

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