Frequencies for first 10,000 rows of rx9v2c2 variable in nhamcsed2015 dataset :

   For RX9, |
 level 2 of |
MULTUM drug |
category #2 |
(intermedia |
  te level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,940       99.40       99.40
        012 |          1        0.01       99.41
        015 |          2        0.02       99.43
        046 |          7        0.07       99.50
        053 |          1        0.01       99.51
        064 |          1        0.01       99.52
        065 |         12        0.12       99.64
        083 |          5        0.05       99.69
        098 |          1        0.01       99.70
        101 |          1        0.01       99.71
        117 |          5        0.05       99.76
        123 |          3        0.03       99.79
        129 |         13        0.13       99.92
        130 |          1        0.01       99.93
        219 |          1        0.01       99.94
        251 |          1        0.01       99.95
        253 |          1        0.01       99.96
        303 |          1        0.01       99.97
        320 |          1        0.01       99.98
        363 |          1        0.01       99.99
        423 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017