Frequencies for first 10,000 rows of rx2v3c2 variable in nhamcsed2012 dataset :

   For RX2, |
 level 3 of |
MULTUM drug |
category #2 |
  (detailed |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,585       95.85       95.85
        102 |          2        0.02       95.87
        180 |         12        0.12       95.99
        185 |          2        0.02       96.01
        186 |          1        0.01       96.02
        196 |         50        0.50       96.52
        198 |        114        1.14       97.66
        203 |         59        0.59       98.25
        210 |          1        0.01       98.26
        211 |         69        0.69       98.95
        239 |         19        0.19       99.14
        268 |         13        0.13       99.27
        290 |          1        0.01       99.28
        292 |          2        0.02       99.30
        301 |          3        0.03       99.33
        385 |         52        0.52       99.85
        386 |          1        0.01       99.86
        388 |          7        0.07       99.93
        389 |          5        0.05       99.98
        407 |          1        0.01       99.99
        442 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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