Summary statistics for psps2001 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 | 11,455,792    4618.985      9283.6        510      31146
-------------+---------------------------------------------------------
    locality |          0
     typesrv |          0
    placesrv |          0
        mod2 |          0
      region |          0
-------------+---------------------------------------------------------
        freq | 11,455,792    327.0219    45023.77          1   6.98e+07
        mtus | 11,455,792    353.4444    42796.02          0   6.60e+07
   mtus_anes | 11,455,792    353.4444    42796.02          0   6.60e+07
      mtuind |          0
    sbmtchrg | 11,455,792    14438.24    260516.4          0   1.11e+08
-------------+---------------------------------------------------------
    alowchrg | 11,455,792    6714.813    152171.7          0   6.53e+07
      densrv | 11,455,792    34.77287    2616.901          0    3761296
      denamt | 11,455,792    1548.008    24328.28          0    9995716
     asgnsrv | 11,455,792    322.4375     44982.5        -79   6.98e+07
    paymtamt | 11,455,792    5178.027      115019          0   5.08e+07
-------------+---------------------------------------------------------
      ascind |          0
    errorind |          0

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