Frequencies for first 10,000 rows of drg5ing1 variable in nhamcsed1997 dataset :

 ingredient |
code #1 for |
    drug #5 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,957       99.57       99.57
      50000 |          2        0.02       99.59
      50005 |         14        0.14       99.73
      50420 |          3        0.03       99.76
      50498 |          1        0.01       99.77
      50620 |          1        0.01       99.78
      50745 |          1        0.01       99.79
      50770 |          1        0.01       99.80
      50806 |          1        0.01       99.81
      51130 |          1        0.01       99.82
      51670 |          1        0.01       99.83
      51675 |          3        0.03       99.86
      51910 |          2        0.02       99.88
      52065 |          1        0.01       99.89
      52990 |          1        0.01       99.90
      53003 |          1        0.01       99.91
      53780 |          4        0.04       99.95
      53895 |          1        0.01       99.96
      55555 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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