Summary statistics for drg1999 dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
         drg |          0
      drgnum |        511         256    147.6573          1        511
   drgweight |        511    1.355048    1.672263          0    17.7902
     drgdesc |          0
      drgsys |          0
-------------+---------------------------------------------------------
     drgvers |        511          16           0         16         16
        glos |        511     4.24227    3.329137          0         34
        trim |        511    241.2916    83.42835          0        580
         low |          0
        alos |        511    5.583953    4.473409          0       50.5
-------------+---------------------------------------------------------
         mdc |        499    9.138277    6.095205          0         25
     medsurg |          0
      fydate |        511       14153           0      14153      14153
       fyear |        511        1999           0       1999       1999
     mdcdesc |          0

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