Frequencies for first 10,000 rows of gpmed7 variable in nhamcsed2006 dataset :

   med 7 given in ed or rx at discharge |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
             medication was given in ed |         63        0.63        0.63
medication was prescribed (rx) at disch |         41        0.41        1.04
medication was both given in ed and rx  |          2        0.02        1.06
                 na (no drug mentioned) |      9,884       98.84       99.90
                                  blank |         10        0.10      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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