Summary statistics for psps1992 dataset :

by Jean Roth , jroth@nber.org , 12 Apr 2017

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
       hcpcs |          0
        mod1 |          0
    speccode |          0
     carrier |          0
  carriernum | 10,242,293    3769.358    5029.513        510      21200
-------------+---------------------------------------------------------
    locality |          0
     typesrv |          0
    placesrv |          0
        mod2 |          0
      region |          0
-------------+---------------------------------------------------------
        freq | 10,242,293    218.5713    27992.04          1   5.83e+07
        mtus | 10,242,293    245.9344    25396.21          0   5.17e+07
   mtus_anes | 10,242,293    245.9344    25396.21          0   5.17e+07
      mtuind |          0
    sbmtchrg | 10,242,293    8229.728    113929.7          0   4.68e+07
-------------+---------------------------------------------------------
    alowchrg | 10,242,293    4290.478    68681.53          0   3.05e+07
      densrv | 10,242,293    30.19372    2947.784          0    6580970
      denamt | 10,242,293    959.8647    14070.47          0    8490973
     asgnsrv | 10,242,293    202.1966    27895.35       -113   5.83e+07
    paymtamt | 10,242,293    3243.683    52059.25          0   2.43e+07
-------------+---------------------------------------------------------
      ascind |          0
    errorind |          0

by Jean Roth , jroth@nber.org , 12 Apr 2017