Summary statistics for miper dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        year |        818        2004           0       2004       2004
     st_case |        818    430236.1    134.4318     430001     430470
      veh_no |        818    .9889976    .7279193          0          5
      per_no |        818     1.01956    .1552313          1          3
          p1 |        818    5.166259    9.064666          0         41
-------------+---------------------------------------------------------
          p2 |        818    5.405868    9.257849          0         43
          p3 |        818    5.256724    9.052011          0         43
          p4 |        818    5.374083    9.208554          0         41
          p5 |        818    5.158924    8.995262          0         41
          p6 |        818    5.665037    9.519305          0         46
-------------+---------------------------------------------------------
          p7 |        818    5.459658    9.383126          0         41
          p8 |        818    5.242054    9.266625          0         41
          p9 |        818    5.442543    9.296411          0         44
         p10 |        818      5.4022    9.310677          0         41

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