Frequencies for first 10,000 rows of drg3ing3 variable in nhamcsopd1995 dataset :

 ingredient |
code #3 for |
 medication |
         #3 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,947       99.47       99.47
      50637 |          1        0.01       99.48
      50745 |          2        0.02       99.50
      52490 |          1        0.01       99.51
      52908 |          1        0.01       99.52
      53175 |          1        0.01       99.53
      53915 |          2        0.02       99.55
      54325 |          2        0.02       99.57
      54328 |          1        0.01       99.58
      54395 |          1        0.01       99.59
      54455 |          3        0.03       99.62
      54465 |          7        0.07       99.69
      54595 |          4        0.04       99.73
      54990 |          1        0.01       99.74
      54995 |          3        0.03       99.77
      55105 |          6        0.06       99.83
      55130 |          9        0.09       99.92
      55240 |          3        0.03       99.95
      55715 |          4        0.04       99.99
      56193 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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