Frequencies for first 10,000 rows of gpmed1 variable in nhamcsed2006 dataset :

   med 1 given in ed or rx at discharge |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
             medication was given in ed |      4,100       41.00       41.00
medication was prescribed (rx) at disch |      2,487       24.87       65.87
medication was both given in ed and rx  |        976        9.76       75.63
                 na (no drug mentioned) |      2,291       22.91       98.54
                                  blank |        146        1.46      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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