Frequencies for first 10,000 rows of gpmed3 variable in nhamcsed2006 dataset :

   med 3 given in ed or rx at discharge |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
             medication was given in ed |      1,351       13.51       13.51
medication was prescribed (rx) at disch |        887        8.87       22.38
medication was both given in ed and rx  |        146        1.46       23.84
                 na (no drug mentioned) |      7,544       75.44       99.28
                                  blank |         72        0.72      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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