Frequencies for first 10,000 rows of gpmed3 variable in nhamcsed2005 dataset :

   med 3 given in ed or rx at discharge |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
             medication was given in ed |      1,387       13.87       13.87
medication was prescribed (rx) at disch |        974        9.74       23.61
medication was both given in ed and rx  |        216        2.16       25.77
                 na (no drug mentioned) |      7,316       73.16       98.93
                                  blank |        107        1.07      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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