Frequencies for first 10,000 rows of drg6ing1 variable in nhamcsopd1999 dataset :

 ingredient |
code #1 for |
 medication |
         #6 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,975       99.75       99.75
      50005 |          5        0.05       99.80
      50088 |          1        0.01       99.81
      50145 |          1        0.01       99.82
      52035 |          1        0.01       99.83
      52075 |          2        0.02       99.85
      52485 |          1        0.01       99.86
      52645 |          3        0.03       99.89
      53780 |          5        0.05       99.94
      54915 |          2        0.02       99.96
      54960 |          1        0.01       99.97
      55555 |          1        0.01       99.98
      56261 |          1        0.01       99.99
      80004 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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