Frequencies for first 10,000 rows of gpmed8 variable in nhamcsed2009 dataset :

med 8 given |
in ed or rx |
         at |
  discharge |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |          5        0.05        0.05
         -7 |      9,853       98.53       98.58
          1 |         89        0.89       99.47
          2 |         47        0.47       99.94
          3 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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