Frequencies for first 10,000 rows of gpmed2 variable in nhamcsed2013 dataset :

   Medication 2 given in ED or Rx at |
                           discharge |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
                               Blank |         19        0.19        0.19
Not applicable, no medication listed |      4,671       46.71       46.90
                        Given in  ED |      2,918       29.18       76.08
                     RX at discharge |      1,610       16.10       92.18
            Both given and RX marked |        782        7.82      100.00
-------------------------------------+-----------------------------------
                               Total |     10,000      100.00

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