Frequencies for first 10,000 rows of rx9cat2 variable in nhamcsed2015 dataset :

   For RX9, |
MULTUM drug |
category #2 |
     - most |
   detailed |
 level (can |
  be either |
 Level 1,2  |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,940       99.40       99.40
        012 |          1        0.01       99.41
        015 |          2        0.02       99.43
        053 |          1        0.01       99.44
        117 |          5        0.05       99.49
        123 |          3        0.03       99.52
        129 |         13        0.13       99.65
        185 |          1        0.01       99.66
        196 |          3        0.03       99.69
        198 |          9        0.09       99.78
        203 |          1        0.01       99.79
        210 |          1        0.01       99.80
        211 |          5        0.05       99.85
        219 |          1        0.01       99.86
        253 |          1        0.01       99.87
        301 |          1        0.01       99.88
        303 |          1        0.01       99.89
        320 |          1        0.01       99.90
        363 |          1        0.01       99.91
        385 |          3        0.03       99.94
        388 |          2        0.02       99.96
        389 |          2        0.02       99.98
        407 |          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