Frequencies for first 10,000 rows of gpmed2 variable in nhamcsed2005 dataset :

   med 2 given in ed or rx at discharge |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
             medication was given in ed |      2,647       26.47       26.47
medication was prescribed (rx) at disch |      1,740       17.40       43.87
medication was both given in ed and rx  |        499        4.99       48.86
                 na (no drug mentioned) |      4,931       49.31       98.17
                                  blank |        183        1.83      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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