Summary statistics for drg1989 dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
         drg |          0
      drgnum |        477         239    137.8423          1        477
   drgweight |        477    1.241786    1.336793          0     14.708
     drgdesc |          0
      drgsys |          0
-------------+---------------------------------------------------------
     drgvers |        477           6           0          6          6
        trim |        477    221.0273     91.3392          0        570
         low |          0
        alos |        477    6.031447    3.997617          0       34.5
         mdc |        477    8.989518    5.822469          0         23
-------------+---------------------------------------------------------
     medsurg |          0
      fydate |        477       10501           0      10501      10501
       fyear |        477        1989           0       1989       1989
     mdcdesc |          0

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