Frequencies for first 10,000 rows of gpmed3 variable in nhamcsed2009 dataset :

med 3 given |
in ed or rx |
         at |
  discharge |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |         73        0.73        0.73
         -7 |      7,120       71.20       71.93
          1 |      1,616       16.16       88.09
          2 |      1,013       10.13       98.22
          3 |        178        1.78      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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