Frequencies for first 10,000 rows of drg5ing1 variable in nhamcsed1996 dataset :

 ingredient |
code #1 for |
    drug #5 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,944       99.44       99.44
      50000 |          2        0.02       99.46
      50005 |         21        0.21       99.67
      50145 |          8        0.08       99.75
      50410 |          2        0.02       99.77
      50460 |          1        0.01       99.78
      50899 |          1        0.01       99.79
      51130 |          1        0.01       99.80
      51340 |          1        0.01       99.81
      51675 |          1        0.01       99.82
      52645 |          3        0.03       99.85
      53723 |          1        0.01       99.86
      53780 |          5        0.05       99.91
      53875 |          1        0.01       99.92
      54770 |          1        0.01       99.93
      55555 |          5        0.05       99.98
      55835 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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