Summary statistics for drg1997 dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
         drg |          0
      drgnum |        495         248    143.0385          1        495
   drgweight |        495    1.341633    1.620371          0    16.0413
     drgdesc |          0
      drgsys |          0
-------------+---------------------------------------------------------
     drgvers |        495          14           0         14         14
        glos |        495    4.721212    3.570331          0         36
        trim |        495     258.202    75.85011          0        600
         low |          0
        alos |        495    6.284444    4.680161          0       46.4
-------------+---------------------------------------------------------
         mdc |        488    9.112705    6.103623          0         25
     medsurg |          0
      fydate |        495       13423           0      13423      13423
       fyear |        495        1997           0       1997       1997
     mdcdesc |          0

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