Frequencies for first 10,000 rows of drg6ing1 variable in nhamcsopd1995 dataset :

 ingredient |
code #1 for |
 medication |
         #6 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,966       99.66       99.66
      50005 |          8        0.08       99.74
      50145 |          4        0.04       99.78
      50182 |          1        0.01       99.79
      50785 |          1        0.01       99.80
      50811 |          1        0.01       99.81
      52045 |          1        0.01       99.82
      52645 |          2        0.02       99.84
      52885 |          1        0.01       99.85
      52990 |          1        0.01       99.86
      53723 |          1        0.01       99.87
      53780 |          8        0.08       99.95
      55555 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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