Frequencies for first 10,000 rows of drg5ing3 variable in nhamcsopd1993 dataset :

 ingredient |
code #3 for |
 medication |
         #5 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,987       99.87       99.87
      50637 |          2        0.02       99.89
      50745 |          1        0.01       99.90
      53175 |          1        0.01       99.91
      54330 |          1        0.01       99.92
      54455 |          1        0.01       99.93
      54755 |          1        0.01       99.94
      55130 |          1        0.01       99.95
      55240 |          3        0.03       99.98
      55715 |          1        0.01       99.99
      56193 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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