Summary statistics for miper dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     st_case |     63,895    274218.1    160549.8      10001     560121
      veh_no |     63,895    1.304797    1.165205          0         47
      per_no |     63,895    1.015338    .1967339          1         13
        year |     63,895        1996           0       1996       1996
          p1 |     63,895    4.448188     8.56458          0         94
-------------+---------------------------------------------------------
          p2 |     63,895    4.433477    8.531479          0         94
          p3 |     63,895    4.477487     8.60092          0         94
          p4 |     63,895    4.454887    8.557627          0         94
          p5 |     63,895    4.459754    8.580489          0         94
          p6 |     63,895    4.463792    8.607638          0         94
-------------+---------------------------------------------------------
          p7 |     63,895    4.430894    8.555839          0         94
          p8 |     63,895    4.451006    8.605874          0         94
          p9 |     63,895    4.430018    8.545234          0         94
         p10 |     63,895     4.50342    8.605075          0         94

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