Frequencies for first 10,000 rows of rx2v3c2 variable in nhamcsed2011 dataset :

   For RX2, |
 level 3 of |
MULTUM drug |
category #2 |
  (detailed |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,570       95.70       95.70
        102 |          1        0.01       95.71
        174 |          1        0.01       95.72
        180 |         12        0.12       95.84
        196 |         48        0.48       96.32
        198 |        107        1.07       97.39
        201 |          1        0.01       97.40
        203 |         60        0.60       98.00
        210 |         18        0.18       98.18
        211 |         57        0.57       98.75
        239 |         24        0.24       98.99
        268 |          9        0.09       99.08
        292 |          3        0.03       99.11
        301 |          2        0.02       99.13
        385 |         66        0.66       99.79
        388 |         12        0.12       99.91
        389 |          5        0.05       99.96
        395 |          1        0.01       99.97
        407 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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