Frequencies for first 10,000 rows of gpmed1 variable in nhamcsed2005 dataset :

   med 1 given in ed or rx at discharge |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
             medication was given in ed |      4,169       41.69       41.69
medication was prescribed (rx) at disch |      2,378       23.78       65.47
medication was both given in ed and rx  |      1,014       10.14       75.61
                 na (no drug mentioned) |      2,264       22.64       98.25
                                  blank |        175        1.75      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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