Frequencies for first 10,000 rows of gpmed2 variable in nhamcsed2012 dataset :

   Medication 2 given in ED or Rx at |
                           discharge |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
                               Blank |        602        6.02        6.02
Not applicable, no medication listed |      4,331       43.31       49.33
                        Given in  ED |      2,755       27.55       76.88
                     RX at discharge |      1,660       16.60       93.48
            Both given and RX marked |        652        6.52      100.00
-------------------------------------+-----------------------------------
                               Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016