Frequencies for first 10,000 rows of drg5ing1 variable in nhamcsopd1992 dataset :

 Ingredient |
code #1 for |
 medication |
         #5 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,960       99.60       99.60
      50005 |          5        0.05       99.65
      50145 |          3        0.03       99.68
      50410 |          1        0.01       99.69
      50770 |          1        0.01       99.70
      50933 |          1        0.01       99.71
      50935 |          1        0.01       99.72
      51635 |          6        0.06       99.78
      51675 |          2        0.02       99.80
      52490 |          1        0.01       99.81
      52615 |          1        0.01       99.82
      52645 |          5        0.05       99.87
      52655 |          1        0.01       99.88
      52885 |          1        0.01       99.89
      53255 |          2        0.02       99.91
      53723 |          1        0.01       99.92
      53780 |          3        0.03       99.95
      53895 |          1        0.01       99.96
      54770 |          1        0.01       99.97
      54960 |          1        0.01       99.98
      55555 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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