Frequencies for first 10,000 rows of rx12v2c1 variable in nhamcsed2012 dataset :

  For RX12, |
 level 2 of |
MULTUM drug |
category #1 |
(intermedia |
  te level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,986       99.86       99.86
        019 |          1        0.01       99.87
        048 |          1        0.01       99.88
        067 |          2        0.02       99.90
        082 |          1        0.01       99.91
        083 |          1        0.01       99.92
        099 |          2        0.02       99.94
        117 |          3        0.03       99.97
        123 |          1        0.01       99.98
        125 |          1        0.01       99.99
        249 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016