Summary statistics for drg1998 dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
         drg |          0
      drgnum |        503         252    145.3479          1        503
   drgweight |        503    1.343627    1.607146          0    16.5746
     drgdesc |          0
      drgsys |          0
-------------+---------------------------------------------------------
     drgvers |        503          15           0         15         15
        glos |        503    4.390855    3.300295          0       33.8
        trim |        503    248.3897    79.33734          0        580
         low |          0
        alos |        503     5.81332    4.427967          0       48.2
-------------+---------------------------------------------------------
         mdc |        491    8.928717    5.917202          0         25
     medsurg |          0
      fydate |        503       13788           0      13788      13788
       fyear |        503        1998           0       1998       1998
     mdcdesc |          0

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