Frequencies for first 10,000 rows of drg5ing1 variable in nhamcsed1998 dataset :

 ingredient |
code #1 for |
    drug #5 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,966       99.66       99.66
      50005 |         13        0.13       99.79
      50088 |          1        0.01       99.80
      50145 |          7        0.07       99.87
      50420 |          2        0.02       99.89
      50845 |          1        0.01       99.90
      51130 |          1        0.01       99.91
      51340 |          1        0.01       99.92
      52065 |          1        0.01       99.93
      52655 |          2        0.02       99.95
      52955 |          1        0.01       99.96
      53780 |          2        0.02       99.98
      55555 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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