Frequencies for first 10,000 rows of rx2v3c2 variable in nhamcsed2010 dataset :

   For RX2, |
 level 3 of |
MULTUM drug |
category #2 |
  (detailed |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,431       94.31       94.31
        180 |         11        0.11       94.42
        186 |          1        0.01       94.43
        196 |        174        1.74       96.17
        197 |          1        0.01       96.18
        198 |        108        1.08       97.26
        203 |         39        0.39       97.65
        210 |         30        0.30       97.95
        211 |         71        0.71       98.66
        239 |         27        0.27       98.93
        248 |          1        0.01       98.94
        268 |          5        0.05       98.99
        292 |          8        0.08       99.07
        297 |          1        0.01       99.08
        301 |          8        0.08       99.16
        385 |         65        0.65       99.81
        386 |          3        0.03       99.84
        387 |          1        0.01       99.85
        388 |          9        0.09       99.94
        389 |          3        0.03       99.97
        395 |          1        0.01       99.98
        407 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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