Frequencies for first 10,000 rows of drg5ing3 variable in nhamcsopd2000 dataset :

 ingredient |
code #3 for |
 medication |
         #5 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,987       99.87       99.87
      50745 |          1        0.01       99.88
      53175 |          1        0.01       99.89
      55105 |          1        0.01       99.90
      55130 |          6        0.06       99.96
      55240 |          2        0.02       99.98
      56345 |          1        0.01       99.99
      57034 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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