Summary statistics for miper dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     st_case |        503    430145.6     83.1166     430001     430288
      veh_no |        503    1.003976    .7600483          0          4
      per_no |        503    1.021869    .1594278          1          3
          p1 |        503     5.45328    9.056117          0         37
          p2 |        503    5.431412    9.095047          0         38
-------------+---------------------------------------------------------
          p3 |        503    5.500994     8.99333          0         33
          p4 |        503    5.572565    9.230029          0         38
          p5 |        503    5.363817    8.995397          0         37
          p6 |        503     5.22664    8.896277          0         33
          p7 |        503    5.463221    9.157005          0         49
-------------+---------------------------------------------------------
          p8 |        503    5.421471    8.934762          0         33
          p9 |        503    5.419483    8.840833          0         33
         p10 |        503    5.429423    8.961765          0         33

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