Frequencies for first 10,000 rows of drg5ing1 variable in nhamcsed1999 dataset :

 ingredient |
code #1 for |
    drug #5 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,953       99.53       99.53
      50005 |         20        0.20       99.73
      50145 |          3        0.03       99.76
      50260 |          1        0.01       99.77
      50410 |          2        0.02       99.79
      50420 |          4        0.04       99.83
      50450 |          1        0.01       99.84
      51340 |          1        0.01       99.85
      51635 |          1        0.01       99.86
      51675 |          2        0.02       99.88
      52075 |          1        0.01       99.89
      52355 |          1        0.01       99.90
      52490 |          1        0.01       99.91
      53780 |          3        0.03       99.94
      54960 |          1        0.01       99.95
      55555 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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