Frequencies for first 10,000 rows of drg5ing2 variable in nhamcsopd1999 dataset :

 ingredient |
code #2 for |
 medication |
         #5 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,950       99.50       99.50
      50728 |          1        0.01       99.51
      51055 |          1        0.01       99.52
      51064 |          1        0.01       99.53
      51250 |          2        0.02       99.55
      51290 |          1        0.01       99.56
      52490 |          1        0.01       99.57
      52650 |          4        0.04       99.61
      52883 |          2        0.02       99.63
      53280 |          1        0.01       99.64
      53445 |          1        0.01       99.65
      53754 |          2        0.02       99.67
      53820 |          2        0.02       99.69
      53891 |          1        0.01       99.70
      54094 |          1        0.01       99.71
      54330 |          1        0.01       99.72
      54455 |          1        0.01       99.73
      54465 |          2        0.02       99.75
      54590 |          1        0.01       99.76
      54890 |          1        0.01       99.77
      54960 |          1        0.01       99.78
      55240 |          1        0.01       99.79
      55925 |          3        0.03       99.82
      55997 |          6        0.06       99.88
      56120 |          1        0.01       99.89
      56285 |          2        0.02       99.91
      56345 |          2        0.02       99.93
      57033 |          1        0.01       99.94
      57146 |          3        0.03       99.97
      59645 |          1        0.01       99.98
      70027 |          1        0.01       99.99
      91011 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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