Summary statistics for drg2009 dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
         drg |          0
      drgnum |        999         500    288.5308          1        999
   drgweight |        999    1.505366     1.93513          0    23.6701
     drgdesc |          0
      drgsys |          0
-------------+---------------------------------------------------------
     drgvers |        999          26           0         26         26
        glos |        999    3.784785    3.613045          0       32.6
        trim |        999           0           0          0          0
         low |          0
        alos |        999    4.925726    4.665738          0       41.1
-------------+---------------------------------------------------------
   postacute |          0
  specialpay |          0
         mdc |        746    8.640751    6.027423          0         25
     medsurg |          0
      fydate |        999       17806           0      17806      17806
-------------+---------------------------------------------------------
       fyear |        999        2009           0       2009       2009
     mdcdesc |          0

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