Frequencies for first 10,000 rows of drg6ing1 variable in nhamcsed1998 dataset :

 ingredient |
code #1 for |
    drug #6 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,988       99.88       99.88
      50000 |          1        0.01       99.89
      50005 |          4        0.04       99.93
      50088 |          1        0.01       99.94
      50145 |          1        0.01       99.95
      50420 |          1        0.01       99.96
      51910 |          1        0.01       99.97
      52645 |          1        0.01       99.98
      52990 |          1        0.01       99.99
      53780 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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