Summary statistics for drg1992 dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
         drg |          0
      drgnum |        492       246.5    142.1724          1        492
   drgweight |        492    1.324309    1.824741          0    22.8213
     drgdesc |          0
      drgsys |          0
-------------+---------------------------------------------------------
     drgvers |        492           9           0          9          9
        trim |        492    331.9919    105.1761          0        720
         low |          0
        alos |        492    5.864431    4.396427          0       39.9
         mdc |        492    9.134146    6.091152          0         25
-------------+---------------------------------------------------------
     medsurg |          0
      fydate |        492       11596           0      11596      11596
       fyear |        492        1992           0       1992       1992
     mdcdesc |          0

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