Summary statistics for miper dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     st_case |     51,001    275920.1    163102.9      10001     560131
      veh_no |     51,001    1.263171    1.051569          0         40
      per_no |     51,001     1.02149    .3255297          1         21
          p1 |     51,001    4.348915    8.607767          0         80
          p2 |     51,001    4.417188    8.691917          0         80
-------------+---------------------------------------------------------
          p3 |     51,001    4.403914     8.62459          0         80
          p4 |     51,001     4.37262    8.626956          0         80
          p5 |     51,001    4.380738    8.605558          0         80
          p6 |     51,001    4.403384    8.629396          0         80
          p7 |     51,001    4.405737    8.638059          0         80
-------------+---------------------------------------------------------
          p8 |     51,001    4.429364    8.656427          0         84
          p9 |     51,001    4.447972    8.694973          0         84
         p10 |     51,001    4.426913    8.642596          0         80

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