Frequencies for first 10,000 rows of gpmed3 variable in nhamcsed2011 dataset :

      Given in ED or Rx at discharge |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
                               Blank |         52        0.52        0.52
Not applicable, no medication listed |      7,005       70.05       70.57
                        Given in  ED |      1,711       17.11       87.68
                     RX at discharge |      1,001       10.01       97.69
            Both given and RX marked |        231        2.31      100.00
-------------------------------------+-----------------------------------
                               Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016