Frequencies for first 10,000 rows of rx1v3c2 variable in nhamcsopd2011 dataset :

   For RX1, |
 level 3 of |
MULTUM drug |
category #2 |
  (detailed |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,462       94.62       94.62
        031 |          2        0.02       94.64
        102 |         36        0.36       95.00
        138 |          2        0.02       95.02
        174 |          2        0.02       95.04
        180 |         10        0.10       95.14
        185 |         10        0.10       95.24
        186 |         15        0.15       95.39
        196 |          5        0.05       95.44
        198 |         45        0.45       95.89
        201 |          5        0.05       95.94
        203 |         53        0.53       96.47
        209 |          2        0.02       96.49
        210 |          7        0.07       96.56
        211 |        143        1.43       97.99
        238 |          9        0.09       98.08
        239 |         18        0.18       98.26
        268 |          9        0.09       98.35
        276 |          6        0.06       98.41
        279 |          6        0.06       98.47
        292 |         17        0.17       98.64
        301 |         16        0.16       98.80
        330 |          5        0.05       98.85
        351 |          2        0.02       98.87
        385 |         57        0.57       99.44
        386 |          9        0.09       99.53
        388 |         25        0.25       99.78
        389 |          6        0.06       99.84
        407 |          7        0.07       99.91
        442 |          6        0.06       99.97
        444 |          1        0.01       99.98
        445 |          1        0.01       99.99
        450 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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