Frequencies for first 10,000 rows of rx4v3c2 variable in nhamcsed2014 dataset :

   For RX4, |
 level 3 of |
MULTUM drug |
category #2 |
  (detailed |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,820       98.20       98.20
        102 |          1        0.01       98.21
        180 |          9        0.09       98.30
        185 |          1        0.01       98.31
        196 |         16        0.16       98.47
        198 |         44        0.44       98.91
        201 |          1        0.01       98.92
        203 |         22        0.22       99.14
        210 |          3        0.03       99.17
        211 |         28        0.28       99.45
        239 |          4        0.04       99.49
        268 |          7        0.07       99.56
        292 |          3        0.03       99.59
        301 |          1        0.01       99.60
        385 |         30        0.30       99.90
        386 |          2        0.02       99.92
        388 |          3        0.03       99.95
        389 |          2        0.02       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 , 11 Apr 2017